Home / 57,270.47-86,291.89-47,492.15

Finding the Fourth Proportional to 57,270.47, 86,291.89 and 47,492.15

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Solution

The fourth proportional to 57,270.47, 86,291.89 and 47,492.15 is: 71,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,270.47 : 86,291.89 = 47,492.15 : x
  2. Step 2: Convert to fraction form
    57,270.47/86,291.89 = 47,492.15/x
  3. Step 3: Cross multiply
    57,270.47x = 86,291.89 × 47,492.15
  4. Step 4: Simplify right side
    57,270.47x = 4,098,186,833.47
  5. Step 5: Solve for x
    x = 4,098,186,833.47/57,270.47
  6. Step 6: Final answer
    x = 71,558.47

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.