Home / 34,475.28-47,459.16-30,937.20

Finding the Fourth Proportional to 34,475.28, 47,459.16 and 30,937.20

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Solution

The fourth proportional to 34,475.28, 47,459.16 and 30,937.20 is: 42,588.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,475.28 : 47,459.16 = 30,937.20 : x
  2. Step 2: Convert to fraction form
    34,475.28/47,459.16 = 30,937.20/x
  3. Step 3: Cross multiply
    34,475.28x = 47,459.16 × 30,937.20
  4. Step 4: Simplify right side
    34,475.28x = 1,468,253,524.75
  5. Step 5: Solve for x
    x = 1,468,253,524.75/34,475.28
  6. Step 6: Final answer
    x = 42,588.59

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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.