Home / 38,963.60-58,445.40-36,630.80

Finding the Fourth Proportional to 38,963.60, 58,445.40 and 36,630.80

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Solution

The fourth proportional to 38,963.60, 58,445.40 and 36,630.80 is: 54,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,963.60 : 58,445.40 = 36,630.80 : x
  2. Step 2: Convert to fraction form
    38,963.60/58,445.40 = 36,630.80/x
  3. Step 3: Cross multiply
    38,963.60x = 58,445.40 × 36,630.80
  4. Step 4: Simplify right side
    38,963.60x = 2,140,901,758.32
  5. Step 5: Solve for x
    x = 2,140,901,758.32/38,963.60
  6. Step 6: Final answer
    x = 54,946.20

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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.