Home / 40,106.14-55,345.80-22,200.76

Finding the Fourth Proportional to 40,106.14, 55,345.80 and 22,200.76

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Solution

The fourth proportional to 40,106.14, 55,345.80 and 22,200.76 is: 30,636.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,106.14 : 55,345.80 = 22,200.76 : x
  2. Step 2: Convert to fraction form
    40,106.14/55,345.80 = 22,200.76/x
  3. Step 3: Cross multiply
    40,106.14x = 55,345.80 × 22,200.76
  4. Step 4: Simplify right side
    40,106.14x = 1,228,718,822.81
  5. Step 5: Solve for x
    x = 1,228,718,822.81/40,106.14
  6. Step 6: Final answer
    x = 30,636.68

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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.