Home / 38,328.90-57,502.02-11,677.30

Finding the Fourth Proportional to 38,328.90, 57,502.02 and 11,677.30

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Solution

The fourth proportional to 38,328.90, 57,502.02 and 11,677.30 is: 17,518.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.90 : 57,502.02 = 11,677.30 : x
  2. Step 2: Convert to fraction form
    38,328.90/57,502.02 = 11,677.30/x
  3. Step 3: Cross multiply
    38,328.90x = 57,502.02 × 11,677.30
  4. Step 4: Simplify right side
    38,328.90x = 671,468,338.15
  5. Step 5: Solve for x
    x = 671,468,338.15/38,328.90
  6. Step 6: Final answer
    x = 17,518.59

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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.