Home / 52,680.34-79,020.60-21,515.59

Finding the Fourth Proportional to 52,680.34, 79,020.60 and 21,515.59

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Solution

The fourth proportional to 52,680.34, 79,020.60 and 21,515.59 is: 32,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,680.34 : 79,020.60 = 21,515.59 : x
  2. Step 2: Convert to fraction form
    52,680.34/79,020.60 = 21,515.59/x
  3. Step 3: Cross multiply
    52,680.34x = 79,020.60 × 21,515.59
  4. Step 4: Simplify right side
    52,680.34x = 1,700,174,831.15
  5. Step 5: Solve for x
    x = 1,700,174,831.15/52,680.34
  6. Step 6: Final answer
    x = 32,273.42

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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.