Home / 31,432.32-47,164.68-13,914.45

Finding the Fourth Proportional to 31,432.32, 47,164.68 and 13,914.45

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Solution

The fourth proportional to 31,432.32, 47,164.68 and 13,914.45 is: 20,878.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,432.32 : 47,164.68 = 13,914.45 : x
  2. Step 2: Convert to fraction form
    31,432.32/47,164.68 = 13,914.45/x
  3. Step 3: Cross multiply
    31,432.32x = 47,164.68 × 13,914.45
  4. Step 4: Simplify right side
    31,432.32x = 656,270,581.63
  5. Step 5: Solve for x
    x = 656,270,581.63/31,432.32
  6. Step 6: Final answer
    x = 20,878.85

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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.