Home / 42,913.68-64,379.16-14,834.76

Finding the Fourth Proportional to 42,913.68, 64,379.16 and 14,834.76

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Solution

The fourth proportional to 42,913.68, 64,379.16 and 14,834.76 is: 22,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,913.68 : 64,379.16 = 14,834.76 : x
  2. Step 2: Convert to fraction form
    42,913.68/64,379.16 = 14,834.76/x
  3. Step 3: Cross multiply
    42,913.68x = 64,379.16 × 14,834.76
  4. Step 4: Simplify right side
    42,913.68x = 955,049,387.60
  5. Step 5: Solve for x
    x = 955,049,387.60/42,913.68
  6. Step 6: Final answer
    x = 22,255.13

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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.