Home / 40,540.02-55,983.72-38,331.15

Finding the Fourth Proportional to 40,540.02, 55,983.72 and 38,331.15

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Solution

The fourth proportional to 40,540.02, 55,983.72 and 38,331.15 is: 52,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,540.02 : 55,983.72 = 38,331.15 : x
  2. Step 2: Convert to fraction form
    40,540.02/55,983.72 = 38,331.15/x
  3. Step 3: Cross multiply
    40,540.02x = 55,983.72 × 38,331.15
  4. Step 4: Simplify right side
    40,540.02x = 2,145,920,368.88
  5. Step 5: Solve for x
    x = 2,145,920,368.88/40,540.02
  6. Step 6: Final answer
    x = 52,933.38

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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.