Home / 38,354.28-57,548.17-13,412.23

Finding the Fourth Proportional to 38,354.28, 57,548.17 and 13,412.23

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Solution

The fourth proportional to 38,354.28, 57,548.17 and 13,412.23 is: 20,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,354.28 : 57,548.17 = 13,412.23 : x
  2. Step 2: Convert to fraction form
    38,354.28/57,548.17 = 13,412.23/x
  3. Step 3: Cross multiply
    38,354.28x = 57,548.17 × 13,412.23
  4. Step 4: Simplify right side
    38,354.28x = 771,849,488.72
  5. Step 5: Solve for x
    x = 771,849,488.72/38,354.28
  6. Step 6: Final answer
    x = 20,124.21

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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.