Home / 45,951.18-63,418.52-28,042.40

Finding the Fourth Proportional to 45,951.18, 63,418.52 and 28,042.40

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Solution

The fourth proportional to 45,951.18, 63,418.52 and 28,042.40 is: 38,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,951.18 : 63,418.52 = 28,042.40 : x
  2. Step 2: Convert to fraction form
    45,951.18/63,418.52 = 28,042.40/x
  3. Step 3: Cross multiply
    45,951.18x = 63,418.52 × 28,042.40
  4. Step 4: Simplify right side
    45,951.18x = 1,778,407,505.25
  5. Step 5: Solve for x
    x = 1,778,407,505.25/45,951.18
  6. Step 6: Final answer
    x = 38,702.11

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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.