Home / 38,717.68-58,079.40-19,986.02

Finding the Fourth Proportional to 38,717.68, 58,079.40 and 19,986.02

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Solution

The fourth proportional to 38,717.68, 58,079.40 and 19,986.02 is: 29,980.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,717.68 : 58,079.40 = 19,986.02 : x
  2. Step 2: Convert to fraction form
    38,717.68/58,079.40 = 19,986.02/x
  3. Step 3: Cross multiply
    38,717.68x = 58,079.40 × 19,986.02
  4. Step 4: Simplify right side
    38,717.68x = 1,160,776,049.99
  5. Step 5: Solve for x
    x = 1,160,776,049.99/38,717.68
  6. Step 6: Final answer
    x = 29,980.52

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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.