Home / 57,719.53-86,587.95-20,273

Finding the Fourth Proportional to 57,719.53, 86,587.95 and 20,273

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Solution

The fourth proportional to 57,719.53, 86,587.95 and 20,273 is: 30,412.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.53 : 86,587.95 = 20,273 : x
  2. Step 2: Convert to fraction form
    57,719.53/86,587.95 = 20,273/x
  3. Step 3: Cross multiply
    57,719.53x = 86,587.95 × 20,273
  4. Step 4: Simplify right side
    57,719.53x = 1,755,397,510.35
  5. Step 5: Solve for x
    x = 1,755,397,510.35/57,719.53
  6. Step 6: Final answer
    x = 30,412.54

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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.