Home / 42,587.57-63,888.85-17,613.62

Finding the Fourth Proportional to 42,587.57, 63,888.85 and 17,613.62

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Solution

The fourth proportional to 42,587.57, 63,888.85 and 17,613.62 is: 26,423.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,587.57 : 63,888.85 = 17,613.62 : x
  2. Step 2: Convert to fraction form
    42,587.57/63,888.85 = 17,613.62/x
  3. Step 3: Cross multiply
    42,587.57x = 63,888.85 × 17,613.62
  4. Step 4: Simplify right side
    42,587.57x = 1,125,313,868.29
  5. Step 5: Solve for x
    x = 1,125,313,868.29/42,587.57
  6. Step 6: Final answer
    x = 26,423.53

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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.