Home / 31,587.38-47,365.20-10,519.98

Finding the Fourth Proportional to 31,587.38, 47,365.20 and 10,519.98

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Solution

The fourth proportional to 31,587.38, 47,365.20 and 10,519.98 is: 15,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,587.38 : 47,365.20 = 10,519.98 : x
  2. Step 2: Convert to fraction form
    31,587.38/47,365.20 = 10,519.98/x
  3. Step 3: Cross multiply
    31,587.38x = 47,365.20 × 10,519.98
  4. Step 4: Simplify right side
    31,587.38x = 498,280,956.70
  5. Step 5: Solve for x
    x = 498,280,956.70/31,587.38
  6. Step 6: Final answer
    x = 15,774.69

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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.