Home / 31,845.34-47,780.97-14,323.42

Finding the Fourth Proportional to 31,845.34, 47,780.97 and 14,323.42

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Solution

The fourth proportional to 31,845.34, 47,780.97 and 14,323.42 is: 21,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,845.34 : 47,780.97 = 14,323.42 : x
  2. Step 2: Convert to fraction form
    31,845.34/47,780.97 = 14,323.42/x
  3. Step 3: Cross multiply
    31,845.34x = 47,780.97 × 14,323.42
  4. Step 4: Simplify right side
    31,845.34x = 684,386,901.32
  5. Step 5: Solve for x
    x = 684,386,901.32/31,845.34
  6. Step 6: Final answer
    x = 21,490.96

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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.