Home / 52,627.12-78,938.21-19,344.76

Finding the Fourth Proportional to 52,627.12, 78,938.21 and 19,344.76

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Solution

The fourth proportional to 52,627.12, 78,938.21 and 19,344.76 is: 29,016.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,627.12 : 78,938.21 = 19,344.76 : x
  2. Step 2: Convert to fraction form
    52,627.12/78,938.21 = 19,344.76/x
  3. Step 3: Cross multiply
    52,627.12x = 78,938.21 × 19,344.76
  4. Step 4: Simplify right side
    52,627.12x = 1,527,040,578.30
  5. Step 5: Solve for x
    x = 1,527,040,578.30/52,627.12
  6. Step 6: Final answer
    x = 29,016.23

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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.