Home / 32,385.28-44,691.88-18,238.40

Finding the Fourth Proportional to 32,385.28, 44,691.88 and 18,238.40

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Solution

The fourth proportional to 32,385.28, 44,691.88 and 18,238.40 is: 25,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.28 : 44,691.88 = 18,238.40 : x
  2. Step 2: Convert to fraction form
    32,385.28/44,691.88 = 18,238.40/x
  3. Step 3: Cross multiply
    32,385.28x = 44,691.88 × 18,238.40
  4. Step 4: Simplify right side
    32,385.28x = 815,108,384.19
  5. Step 5: Solve for x
    x = 815,108,384.19/32,385.28
  6. Step 6: Final answer
    x = 25,169.10

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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.