Home / 34,385.55-51,572.78-9,419.76

Finding the Fourth Proportional to 34,385.55, 51,572.78 and 9,419.76

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Solution

The fourth proportional to 34,385.55, 51,572.78 and 9,419.76 is: 14,128.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,385.55 : 51,572.78 = 9,419.76 : x
  2. Step 2: Convert to fraction form
    34,385.55/51,572.78 = 9,419.76/x
  3. Step 3: Cross multiply
    34,385.55x = 51,572.78 × 9,419.76
  4. Step 4: Simplify right side
    34,385.55x = 485,803,210.13
  5. Step 5: Solve for x
    x = 485,803,210.13/34,385.55
  6. Step 6: Final answer
    x = 14,128.12

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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.