Home / 52,861.19-79,284.06-15,411.20

Finding the Fourth Proportional to 52,861.19, 79,284.06 and 15,411.20

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Solution

The fourth proportional to 52,861.19, 79,284.06 and 15,411.20 is: 23,114.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,861.19 : 79,284.06 = 15,411.20 : x
  2. Step 2: Convert to fraction form
    52,861.19/79,284.06 = 15,411.20/x
  3. Step 3: Cross multiply
    52,861.19x = 79,284.06 × 15,411.20
  4. Step 4: Simplify right side
    52,861.19x = 1,221,862,109.05
  5. Step 5: Solve for x
    x = 1,221,862,109.05/52,861.19
  6. Step 6: Final answer
    x = 23,114.54

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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.