Home / 38,583.68-57,886.47-12,290.45

Finding the Fourth Proportional to 38,583.68, 57,886.47 and 12,290.45

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Solution

The fourth proportional to 38,583.68, 57,886.47 and 12,290.45 is: 18,439.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583.68 : 57,886.47 = 12,290.45 : x
  2. Step 2: Convert to fraction form
    38,583.68/57,886.47 = 12,290.45/x
  3. Step 3: Cross multiply
    38,583.68x = 57,886.47 × 12,290.45
  4. Step 4: Simplify right side
    38,583.68x = 711,450,475.78
  5. Step 5: Solve for x
    x = 711,450,475.78/38,583.68
  6. Step 6: Final answer
    x = 18,439.16

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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.