Home / 38,172.48-52,679.36-22,254.40

Finding the Fourth Proportional to 38,172.48, 52,679.36 and 22,254.40

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Solution

The fourth proportional to 38,172.48, 52,679.36 and 22,254.40 is: 30,711.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.48 : 52,679.36 = 22,254.40 : x
  2. Step 2: Convert to fraction form
    38,172.48/52,679.36 = 22,254.40/x
  3. Step 3: Cross multiply
    38,172.48x = 52,679.36 × 22,254.40
  4. Step 4: Simplify right side
    38,172.48x = 1,172,347,549.18
  5. Step 5: Solve for x
    x = 1,172,347,549.18/38,172.48
  6. Step 6: Final answer
    x = 30,711.85

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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.