Home / 38,666.30-57,992.13-13,705.34

Finding the Fourth Proportional to 38,666.30, 57,992.13 and 13,705.34

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Solution

The fourth proportional to 38,666.30, 57,992.13 and 13,705.34 is: 20,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,666.30 : 57,992.13 = 13,705.34 : x
  2. Step 2: Convert to fraction form
    38,666.30/57,992.13 = 13,705.34/x
  3. Step 3: Cross multiply
    38,666.30x = 57,992.13 × 13,705.34
  4. Step 4: Simplify right side
    38,666.30x = 794,801,569.01
  5. Step 5: Solve for x
    x = 794,801,569.01/38,666.30
  6. Step 6: Final answer
    x = 20,555.41

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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.