Home / 31,853.52-47,780.28-14,302.85

Finding the Fourth Proportional to 31,853.52, 47,780.28 and 14,302.85

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Solution

The fourth proportional to 31,853.52, 47,780.28 and 14,302.85 is: 21,454.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,853.52 : 47,780.28 = 14,302.85 : x
  2. Step 2: Convert to fraction form
    31,853.52/47,780.28 = 14,302.85/x
  3. Step 3: Cross multiply
    31,853.52x = 47,780.28 × 14,302.85
  4. Step 4: Simplify right side
    31,853.52x = 683,393,938.90
  5. Step 5: Solve for x
    x = 683,393,938.90/31,853.52
  6. Step 6: Final answer
    x = 21,454.27

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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.