Home / 40,987.38-56,193.91-40,240.16

Finding the Fourth Proportional to 40,987.38, 56,193.91 and 40,240.16

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Solution

The fourth proportional to 40,987.38, 56,193.91 and 40,240.16 is: 55,169.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,987.38 : 56,193.91 = 40,240.16 : x
  2. Step 2: Convert to fraction form
    40,987.38/56,193.91 = 40,240.16/x
  3. Step 3: Cross multiply
    40,987.38x = 56,193.91 × 40,240.16
  4. Step 4: Simplify right side
    40,987.38x = 2,261,251,929.43
  5. Step 5: Solve for x
    x = 2,261,251,929.43/40,987.38
  6. Step 6: Final answer
    x = 55,169.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.