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Finding the Fourth Proportional to 57,283.20, 79,079.04 and 36,095.04

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Solution

The fourth proportional to 57,283.20, 79,079.04 and 36,095.04 is: 49,828.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,283.20 : 79,079.04 = 36,095.04 : x
  2. Step 2: Convert to fraction form
    57,283.20/79,079.04 = 36,095.04/x
  3. Step 3: Cross multiply
    57,283.20x = 79,079.04 × 36,095.04
  4. Step 4: Simplify right side
    57,283.20x = 2,854,361,111.96
  5. Step 5: Solve for x
    x = 2,854,361,111.96/57,283.20
  6. Step 6: Final answer
    x = 49,828.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.