Home / 52,765.60-79,148.40-50,432.80

Finding the Fourth Proportional to 52,765.60, 79,148.40 and 50,432.80

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Solution

The fourth proportional to 52,765.60, 79,148.40 and 50,432.80 is: 75,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,765.60 : 79,148.40 = 50,432.80 : x
  2. Step 2: Convert to fraction form
    52,765.60/79,148.40 = 50,432.80/x
  3. Step 3: Cross multiply
    52,765.60x = 79,148.40 × 50,432.80
  4. Step 4: Simplify right side
    52,765.60x = 3,991,675,427.52
  5. Step 5: Solve for x
    x = 3,991,675,427.52/52,765.60
  6. Step 6: Final answer
    x = 75,649.20

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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.