Home / 40,014.39-55,218.38-22,109.01

Finding the Fourth Proportional to 40,014.39, 55,218.38 and 22,109.01

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Solution

The fourth proportional to 40,014.39, 55,218.38 and 22,109.01 is: 30,509.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,014.39 : 55,218.38 = 22,109.01 : x
  2. Step 2: Convert to fraction form
    40,014.39/55,218.38 = 22,109.01/x
  3. Step 3: Cross multiply
    40,014.39x = 55,218.38 × 22,109.01
  4. Step 4: Simplify right side
    40,014.39x = 1,220,823,605.06
  5. Step 5: Solve for x
    x = 1,220,823,605.06/40,014.39
  6. Step 6: Final answer
    x = 30,509.61

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Double scale
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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.