Home / 38,501.33-57,753.59-13,218.21

Finding the Fourth Proportional to 38,501.33, 57,753.59 and 13,218.21

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Solution

The fourth proportional to 38,501.33, 57,753.59 and 13,218.21 is: 19,827.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,501.33 : 57,753.59 = 13,218.21 : x
  2. Step 2: Convert to fraction form
    38,501.33/57,753.59 = 13,218.21/x
  3. Step 3: Cross multiply
    38,501.33x = 57,753.59 × 13,218.21
  4. Step 4: Simplify right side
    38,501.33x = 763,399,014.78
  5. Step 5: Solve for x
    x = 763,399,014.78/38,501.33
  6. Step 6: Final answer
    x = 19,827.86

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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.