Home / 38,549.78-57,812.28-12,248.37

Finding the Fourth Proportional to 38,549.78, 57,812.28 and 12,248.37

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Solution

The fourth proportional to 38,549.78, 57,812.28 and 12,248.37 is: 18,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,549.78 : 57,812.28 = 12,248.37 : x
  2. Step 2: Convert to fraction form
    38,549.78/57,812.28 = 12,248.37/x
  3. Step 3: Cross multiply
    38,549.78x = 57,812.28 × 12,248.37
  4. Step 4: Simplify right side
    38,549.78x = 708,106,195.98
  5. Step 5: Solve for x
    x = 708,106,195.98/38,549.78
  6. Step 6: Final answer
    x = 18,368.62

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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.