Home / 31,508.48-47,291.92-15,937.12

Finding the Fourth Proportional to 31,508.48, 47,291.92 and 15,937.12

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Solution

The fourth proportional to 31,508.48, 47,291.92 and 15,937.12 is: 23,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,508.48 : 47,291.92 = 15,937.12 : x
  2. Step 2: Convert to fraction form
    31,508.48/47,291.92 = 15,937.12/x
  3. Step 3: Cross multiply
    31,508.48x = 47,291.92 × 15,937.12
  4. Step 4: Simplify right side
    31,508.48x = 753,697,004.07
  5. Step 5: Solve for x
    x = 753,697,004.07/31,508.48
  6. Step 6: Final answer
    x = 23,920.45

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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.