Home / 38,516.64-57,778.20-13,554.06

Finding the Fourth Proportional to 38,516.64, 57,778.20 and 13,554.06

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Solution

The fourth proportional to 38,516.64, 57,778.20 and 13,554.06 is: 20,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,516.64 : 57,778.20 = 13,554.06 : x
  2. Step 2: Convert to fraction form
    38,516.64/57,778.20 = 13,554.06/x
  3. Step 3: Cross multiply
    38,516.64x = 57,778.20 × 13,554.06
  4. Step 4: Simplify right side
    38,516.64x = 783,129,189.49
  5. Step 5: Solve for x
    x = 783,129,189.49/38,516.64
  6. Step 6: Final answer
    x = 20,332.23

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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.