Home / 38,520.60-53,155.84-21,752.52

Finding the Fourth Proportional to 38,520.60, 53,155.84 and 21,752.52

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Solution

The fourth proportional to 38,520.60, 53,155.84 and 21,752.52 is: 30,017.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,520.60 : 53,155.84 = 21,752.52 : x
  2. Step 2: Convert to fraction form
    38,520.60/53,155.84 = 21,752.52/x
  3. Step 3: Cross multiply
    38,520.60x = 53,155.84 × 21,752.52
  4. Step 4: Simplify right side
    38,520.60x = 1,156,273,472.72
  5. Step 5: Solve for x
    x = 1,156,273,472.72/38,520.60
  6. Step 6: Final answer
    x = 30,017.02

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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.