Home / 38,320.81-57,514.02-21,697.18

Finding the Fourth Proportional to 38,320.81, 57,514.02 and 21,697.18

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Solution

The fourth proportional to 38,320.81, 57,514.02 and 21,697.18 is: 32,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,320.81 : 57,514.02 = 21,697.18 : x
  2. Step 2: Convert to fraction form
    38,320.81/57,514.02 = 21,697.18/x
  3. Step 3: Cross multiply
    38,320.81x = 57,514.02 × 21,697.18
  4. Step 4: Simplify right side
    38,320.81x = 1,247,892,044.46
  5. Step 5: Solve for x
    x = 1,247,892,044.46/38,320.81
  6. Step 6: Final answer
    x = 32,564.34

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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.