Home / 48,839.18-67,411.35-28,702.55

Finding the Fourth Proportional to 48,839.18, 67,411.35 and 28,702.55

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Solution

The fourth proportional to 48,839.18, 67,411.35 and 28,702.55 is: 39,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.18 : 67,411.35 = 28,702.55 : x
  2. Step 2: Convert to fraction form
    48,839.18/67,411.35 = 28,702.55/x
  3. Step 3: Cross multiply
    48,839.18x = 67,411.35 × 28,702.55
  4. Step 4: Simplify right side
    48,839.18x = 1,934,877,306.89
  5. Step 5: Solve for x
    x = 1,934,877,306.89/48,839.18
  6. Step 6: Final answer
    x = 39,617.32

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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.