Home / 38,347.68-57,484.38-19,636.53

Finding the Fourth Proportional to 38,347.68, 57,484.38 and 19,636.53

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Solution

The fourth proportional to 38,347.68, 57,484.38 and 19,636.53 is: 29,435.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,347.68 : 57,484.38 = 19,636.53 : x
  2. Step 2: Convert to fraction form
    38,347.68/57,484.38 = 19,636.53/x
  3. Step 3: Cross multiply
    38,347.68x = 57,484.38 × 19,636.53
  4. Step 4: Simplify right side
    38,347.68x = 1,128,793,610.47
  5. Step 5: Solve for x
    x = 1,128,793,610.47/38,347.68
  6. Step 6: Final answer
    x = 29,435.77

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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.