Home / 31,363.88-47,053.10-10,587.38

Finding the Fourth Proportional to 31,363.88, 47,053.10 and 10,587.38

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Solution

The fourth proportional to 31,363.88, 47,053.10 and 10,587.38 is: 15,883.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.88 : 47,053.10 = 10,587.38 : x
  2. Step 2: Convert to fraction form
    31,363.88/47,053.10 = 10,587.38/x
  3. Step 3: Cross multiply
    31,363.88x = 47,053.10 × 10,587.38
  4. Step 4: Simplify right side
    31,363.88x = 498,168,841.08
  5. Step 5: Solve for x
    x = 498,168,841.08/31,363.88
  6. Step 6: Final answer
    x = 15,883.52

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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.