Home / 52,134.95-78,202.43-18,854.27

Finding the Fourth Proportional to 52,134.95, 78,202.43 and 18,854.27

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Solution

The fourth proportional to 52,134.95, 78,202.43 and 18,854.27 is: 28,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.95 : 78,202.43 = 18,854.27 : x
  2. Step 2: Convert to fraction form
    52,134.95/78,202.43 = 18,854.27/x
  3. Step 3: Cross multiply
    52,134.95x = 78,202.43 × 18,854.27
  4. Step 4: Simplify right side
    52,134.95x = 1,474,449,386.00
  5. Step 5: Solve for x
    x = 1,474,449,386.00/52,134.95
  6. Step 6: Final answer
    x = 28,281.40

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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.