Home / 40,056.13-55,279.86-22,150.75

Finding the Fourth Proportional to 40,056.13, 55,279.86 and 22,150.75

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Solution

The fourth proportional to 40,056.13, 55,279.86 and 22,150.75 is: 30,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,056.13 : 55,279.86 = 22,150.75 : x
  2. Step 2: Convert to fraction form
    40,056.13/55,279.86 = 22,150.75/x
  3. Step 3: Cross multiply
    40,056.13x = 55,279.86 × 22,150.75
  4. Step 4: Simplify right side
    40,056.13x = 1,224,490,358.90
  5. Step 5: Solve for x
    x = 1,224,490,358.90/40,056.13
  6. Step 6: Final answer
    x = 30,569.36

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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.