Home / 48,838.72-67,407.26-28,702.12

Finding the Fourth Proportional to 48,838.72, 67,407.26 and 28,702.12

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Solution

The fourth proportional to 48,838.72, 67,407.26 and 28,702.12 is: 39,614.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,838.72 : 67,407.26 = 28,702.12 : x
  2. Step 2: Convert to fraction form
    48,838.72/67,407.26 = 28,702.12/x
  3. Step 3: Cross multiply
    48,838.72x = 67,407.26 × 28,702.12
  4. Step 4: Simplify right side
    48,838.72x = 1,934,731,265.39
  5. Step 5: Solve for x
    x = 1,934,731,265.39/48,838.72
  6. Step 6: Final answer
    x = 39,614.70

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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.