Home / 52,251.20-78,184.80-38,427.20

Finding the Fourth Proportional to 52,251.20, 78,184.80 and 38,427.20

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Solution

The fourth proportional to 52,251.20, 78,184.80 and 38,427.20 is: 57,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,251.20 : 78,184.80 = 38,427.20 : x
  2. Step 2: Convert to fraction form
    52,251.20/78,184.80 = 38,427.20/x
  3. Step 3: Cross multiply
    52,251.20x = 78,184.80 × 38,427.20
  4. Step 4: Simplify right side
    52,251.20x = 3,004,422,946.56
  5. Step 5: Solve for x
    x = 3,004,422,946.56/52,251.20
  6. Step 6: Final answer
    x = 57,499.60

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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.