Home / 38,407.06-57,618.45-21,774.52

Finding the Fourth Proportional to 38,407.06, 57,618.45 and 21,774.52

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Solution

The fourth proportional to 38,407.06, 57,618.45 and 21,774.52 is: 32,666.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,407.06 : 57,618.45 = 21,774.52 : x
  2. Step 2: Convert to fraction form
    38,407.06/57,618.45 = 21,774.52/x
  3. Step 3: Cross multiply
    38,407.06x = 57,618.45 × 21,774.52
  4. Step 4: Simplify right side
    38,407.06x = 1,254,614,091.89
  5. Step 5: Solve for x
    x = 1,254,614,091.89/38,407.06
  6. Step 6: Final answer
    x = 32,666.24

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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.