Home / 34,691.69-47,874.65-18,776.21

Finding the Fourth Proportional to 34,691.69, 47,874.65 and 18,776.21

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Solution

The fourth proportional to 34,691.69, 47,874.65 and 18,776.21 is: 25,911.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,691.69 : 47,874.65 = 18,776.21 : x
  2. Step 2: Convert to fraction form
    34,691.69/47,874.65 = 18,776.21/x
  3. Step 3: Cross multiply
    34,691.69x = 47,874.65 × 18,776.21
  4. Step 4: Simplify right side
    34,691.69x = 898,904,148.82
  5. Step 5: Solve for x
    x = 898,904,148.82/34,691.69
  6. Step 6: Final answer
    x = 25,911.22

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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.