Home / 38,711.60-58,053.72-18,445.88

Finding the Fourth Proportional to 38,711.60, 58,053.72 and 18,445.88

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Solution

The fourth proportional to 38,711.60, 58,053.72 and 18,445.88 is: 27,662.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,711.60 : 58,053.72 = 18,445.88 : x
  2. Step 2: Convert to fraction form
    38,711.60/58,053.72 = 18,445.88/x
  3. Step 3: Cross multiply
    38,711.60x = 58,053.72 × 18,445.88
  4. Step 4: Simplify right side
    38,711.60x = 1,070,851,952.67
  5. Step 5: Solve for x
    x = 1,070,851,952.67/38,711.60
  6. Step 6: Final answer
    x = 27,662.30

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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.