Home / 52,084.56-78,129-15,148.56

Finding the Fourth Proportional to 52,084.56, 78,129 and 15,148.56

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Solution

The fourth proportional to 52,084.56, 78,129 and 15,148.56 is: 22,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,084.56 : 78,129 = 15,148.56 : x
  2. Step 2: Convert to fraction form
    52,084.56/78,129 = 15,148.56/x
  3. Step 3: Cross multiply
    52,084.56x = 78,129 × 15,148.56
  4. Step 4: Simplify right side
    52,084.56x = 1,183,541,844.24
  5. Step 5: Solve for x
    x = 1,183,541,844.24/52,084.56
  6. Step 6: Final answer
    x = 22,723.47

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1.5x scale

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.