Home / 57,331.11-79,114.28-31,839.11

Finding the Fourth Proportional to 57,331.11, 79,114.28 and 31,839.11

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Solution

The fourth proportional to 57,331.11, 79,114.28 and 31,839.11 is: 43,936.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,331.11 : 79,114.28 = 31,839.11 : x
  2. Step 2: Convert to fraction form
    57,331.11/79,114.28 = 31,839.11/x
  3. Step 3: Cross multiply
    57,331.11x = 79,114.28 × 31,839.11
  4. Step 4: Simplify right side
    57,331.11x = 2,518,928,263.49
  5. Step 5: Solve for x
    x = 2,518,928,263.49/57,331.11
  6. Step 6: Final answer
    x = 43,936.50

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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.