Home / 47,715.30-71,572.95-30,204.90

Finding the Fourth Proportional to 47,715.30, 71,572.95 and 30,204.90

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Solution

The fourth proportional to 47,715.30, 71,572.95 and 30,204.90 is: 45,307.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,715.30 : 71,572.95 = 30,204.90 : x
  2. Step 2: Convert to fraction form
    47,715.30/71,572.95 = 30,204.90/x
  3. Step 3: Cross multiply
    47,715.30x = 71,572.95 × 30,204.90
  4. Step 4: Simplify right side
    47,715.30x = 2,161,853,797.46
  5. Step 5: Solve for x
    x = 2,161,853,797.46/47,715.30
  6. Step 6: Final answer
    x = 45,307.35

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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.