Home / 38,332.60-52,898.90-21,565.60

Finding the Fourth Proportional to 38,332.60, 52,898.90 and 21,565.60

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Solution

The fourth proportional to 38,332.60, 52,898.90 and 21,565.60 is: 29,760.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,332.60 : 52,898.90 = 21,565.60 : x
  2. Step 2: Convert to fraction form
    38,332.60/52,898.90 = 21,565.60/x
  3. Step 3: Cross multiply
    38,332.60x = 52,898.90 × 21,565.60
  4. Step 4: Simplify right side
    38,332.60x = 1,140,796,517.84
  5. Step 5: Solve for x
    x = 1,140,796,517.84/38,332.60
  6. Step 6: Final answer
    x = 29,760.48

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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.