Home / 31,816.91-47,652.69-15,188.65

Finding the Fourth Proportional to 31,816.91, 47,652.69 and 15,188.65

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Solution

The fourth proportional to 31,816.91, 47,652.69 and 15,188.65 is: 22,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.91 : 47,652.69 = 15,188.65 : x
  2. Step 2: Convert to fraction form
    31,816.91/47,652.69 = 15,188.65/x
  3. Step 3: Cross multiply
    31,816.91x = 47,652.69 × 15,188.65
  4. Step 4: Simplify right side
    31,816.91x = 723,780,029.97
  5. Step 5: Solve for x
    x = 723,780,029.97/31,816.91
  6. Step 6: Final answer
    x = 22,748.28

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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.