Home / 32,639.75-45,042.90-18,493.55

Finding the Fourth Proportional to 32,639.75, 45,042.90 and 18,493.55

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Solution

The fourth proportional to 32,639.75, 45,042.90 and 18,493.55 is: 25,521.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.75 : 45,042.90 = 18,493.55 : x
  2. Step 2: Convert to fraction form
    32,639.75/45,042.90 = 18,493.55/x
  3. Step 3: Cross multiply
    32,639.75x = 45,042.90 × 18,493.55
  4. Step 4: Simplify right side
    32,639.75x = 833,003,123.30
  5. Step 5: Solve for x
    x = 833,003,123.30/32,639.75
  6. Step 6: Final answer
    x = 25,521.12

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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.