Home / 32,381.40-48,572.10-18,531.80

Finding the Fourth Proportional to 32,381.40, 48,572.10 and 18,531.80

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Solution

The fourth proportional to 32,381.40, 48,572.10 and 18,531.80 is: 27,797.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,381.40 : 48,572.10 = 18,531.80 : x
  2. Step 2: Convert to fraction form
    32,381.40/48,572.10 = 18,531.80/x
  3. Step 3: Cross multiply
    32,381.40x = 48,572.10 × 18,531.80
  4. Step 4: Simplify right side
    32,381.40x = 900,128,442.78
  5. Step 5: Solve for x
    x = 900,128,442.78/32,381.40
  6. Step 6: Final answer
    x = 27,797.70

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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.