Home / 31,391.52-47,047.20-14,714.81

Finding the Fourth Proportional to 31,391.52, 47,047.20 and 14,714.81

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Solution

The fourth proportional to 31,391.52, 47,047.20 and 14,714.81 is: 22,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,391.52 : 47,047.20 = 14,714.81 : x
  2. Step 2: Convert to fraction form
    31,391.52/47,047.20 = 14,714.81/x
  3. Step 3: Cross multiply
    31,391.52x = 47,047.20 × 14,714.81
  4. Step 4: Simplify right side
    31,391.52x = 692,290,759.68
  5. Step 5: Solve for x
    x = 692,290,759.68/31,391.52
  6. Step 6: Final answer
    x = 22,053.43

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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.