Home / 48,381.97-66,771.53-28,248.61

Finding the Fourth Proportional to 48,381.97, 66,771.53 and 28,248.61

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Solution

The fourth proportional to 48,381.97, 66,771.53 and 28,248.61 is: 38,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.97 : 66,771.53 = 28,248.61 : x
  2. Step 2: Convert to fraction form
    48,381.97/66,771.53 = 28,248.61/x
  3. Step 3: Cross multiply
    48,381.97x = 66,771.53 × 28,248.61
  4. Step 4: Simplify right side
    48,381.97x = 1,886,202,910.07
  5. Step 5: Solve for x
    x = 1,886,202,910.07/48,381.97
  6. Step 6: Final answer
    x = 38,985.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.