Home / 52,235.44-78,318.36-18,951.19

Finding the Fourth Proportional to 52,235.44, 78,318.36 and 18,951.19

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Solution

The fourth proportional to 52,235.44, 78,318.36 and 18,951.19 is: 28,414.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,235.44 : 78,318.36 = 18,951.19 : x
  2. Step 2: Convert to fraction form
    52,235.44/78,318.36 = 18,951.19/x
  3. Step 3: Cross multiply
    52,235.44x = 78,318.36 × 18,951.19
  4. Step 4: Simplify right side
    52,235.44x = 1,484,225,925.05
  5. Step 5: Solve for x
    x = 1,484,225,925.05/52,235.44
  6. Step 6: Final answer
    x = 28,414.16

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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.