Home / 38,146.68-57,224.88-19,420.29

Finding the Fourth Proportional to 38,146.68, 57,224.88 and 19,420.29

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Solution

The fourth proportional to 38,146.68, 57,224.88 and 19,420.29 is: 29,132.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,146.68 : 57,224.88 = 19,420.29 : x
  2. Step 2: Convert to fraction form
    38,146.68/57,224.88 = 19,420.29/x
  3. Step 3: Cross multiply
    38,146.68x = 57,224.88 × 19,420.29
  4. Step 4: Simplify right side
    38,146.68x = 1,111,323,764.82
  5. Step 5: Solve for x
    x = 1,111,323,764.82/38,146.68
  6. Step 6: Final answer
    x = 29,132.91

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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.