Home / 34,387.55-51,575.78-9,421.76

Finding the Fourth Proportional to 34,387.55, 51,575.78 and 9,421.76

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Solution

The fourth proportional to 34,387.55, 51,575.78 and 9,421.76 is: 14,131.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,387.55 : 51,575.78 = 9,421.76 : x
  2. Step 2: Convert to fraction form
    34,387.55/51,575.78 = 9,421.76/x
  3. Step 3: Cross multiply
    34,387.55x = 51,575.78 × 9,421.76
  4. Step 4: Simplify right side
    34,387.55x = 485,934,620.97
  5. Step 5: Solve for x
    x = 485,934,620.97/34,387.55
  6. Step 6: Final answer
    x = 14,131.12

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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.