Home / 57,630.18-86,445.28-18,190.38

Finding the Fourth Proportional to 57,630.18, 86,445.28 and 18,190.38

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Solution

The fourth proportional to 57,630.18, 86,445.28 and 18,190.38 is: 27,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,630.18 : 86,445.28 = 18,190.38 : x
  2. Step 2: Convert to fraction form
    57,630.18/86,445.28 = 18,190.38/x
  3. Step 3: Cross multiply
    57,630.18x = 86,445.28 × 18,190.38
  4. Step 4: Simplify right side
    57,630.18x = 1,572,472,492.41
  5. Step 5: Solve for x
    x = 1,572,472,492.41/57,630.18
  6. Step 6: Final answer
    x = 27,285.57

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Similar ratio
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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.