Home / 52,164.43-78,228.11-18,875.86

Finding the Fourth Proportional to 52,164.43, 78,228.11 and 18,875.86

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Solution

The fourth proportional to 52,164.43, 78,228.11 and 18,875.86 is: 28,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,164.43 : 78,228.11 = 18,875.86 : x
  2. Step 2: Convert to fraction form
    52,164.43/78,228.11 = 18,875.86/x
  3. Step 3: Cross multiply
    52,164.43x = 78,228.11 × 18,875.86
  4. Step 4: Simplify right side
    52,164.43x = 1,476,622,704.04
  5. Step 5: Solve for x
    x = 1,476,622,704.04/52,164.43
  6. Step 6: Final answer
    x = 28,307.08

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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.