Home / 40,282.10-60,423.15-38,338.10

Finding the Fourth Proportional to 40,282.10, 60,423.15 and 38,338.10

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Solution

The fourth proportional to 40,282.10, 60,423.15 and 38,338.10 is: 57,507.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.10 : 60,423.15 = 38,338.10 : x
  2. Step 2: Convert to fraction form
    40,282.10/60,423.15 = 38,338.10/x
  3. Step 3: Cross multiply
    40,282.10x = 60,423.15 × 38,338.10
  4. Step 4: Simplify right side
    40,282.10x = 2,316,508,767.02
  5. Step 5: Solve for x
    x = 2,316,508,767.02/40,282.10
  6. Step 6: Final answer
    x = 57,507.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.