Home / 40,010.16-55,217.25-22,106.76

Finding the Fourth Proportional to 40,010.16, 55,217.25 and 22,106.76

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Solution

The fourth proportional to 40,010.16, 55,217.25 and 22,106.76 is: 30,509.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,010.16 : 55,217.25 = 22,106.76 : x
  2. Step 2: Convert to fraction form
    40,010.16/55,217.25 = 22,106.76/x
  3. Step 3: Cross multiply
    40,010.16x = 55,217.25 × 22,106.76
  4. Step 4: Simplify right side
    40,010.16x = 1,220,674,493.61
  5. Step 5: Solve for x
    x = 1,220,674,493.61/40,010.16
  6. Step 6: Final answer
    x = 30,509.11

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Half scale
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Double scale
Find fourth proportional to 40,011.16, 55,218.63 and 22,107.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.