Home / 38,652.61-57,987.18-11,998.01

Finding the Fourth Proportional to 38,652.61, 57,987.18 and 11,998.01

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Solution

The fourth proportional to 38,652.61, 57,987.18 and 11,998.01 is: 17,999.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,652.61 : 57,987.18 = 11,998.01 : x
  2. Step 2: Convert to fraction form
    38,652.61/57,987.18 = 11,998.01/x
  3. Step 3: Cross multiply
    38,652.61x = 57,987.18 × 11,998.01
  4. Step 4: Simplify right side
    38,652.61x = 695,730,723.02
  5. Step 5: Solve for x
    x = 695,730,723.02/38,652.61
  6. Step 6: Final answer
    x = 17,999.58

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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.