Home / 32,385.90-44,690.91-18,239.58

Finding the Fourth Proportional to 32,385.90, 44,690.91 and 18,239.58

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Solution

The fourth proportional to 32,385.90, 44,690.91 and 18,239.58 is: 25,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,385.90 : 44,690.91 = 18,239.58 : x
  2. Step 2: Convert to fraction form
    32,385.90/44,690.91 = 18,239.58/x
  3. Step 3: Cross multiply
    32,385.90x = 44,690.91 × 18,239.58
  4. Step 4: Simplify right side
    32,385.90x = 815,143,428.22
  5. Step 5: Solve for x
    x = 815,143,428.22/32,385.90
  6. Step 6: Final answer
    x = 25,169.70

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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.