Home / 52,769.46-79,153.17-21,186.66

Finding the Fourth Proportional to 52,769.46, 79,153.17 and 21,186.66

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Solution

The fourth proportional to 52,769.46, 79,153.17 and 21,186.66 is: 31,779.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,769.46 : 79,153.17 = 21,186.66 : x
  2. Step 2: Convert to fraction form
    52,769.46/79,153.17 = 21,186.66/x
  3. Step 3: Cross multiply
    52,769.46x = 79,153.17 × 21,186.66
  4. Step 4: Simplify right side
    52,769.46x = 1,676,991,300.71
  5. Step 5: Solve for x
    x = 1,676,991,300.71/52,769.46
  6. Step 6: Final answer
    x = 31,779.58

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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.