Home / 51,745.20-71,374.68-42,298.80

Finding the Fourth Proportional to 51,745.20, 71,374.68 and 42,298.80

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Solution

The fourth proportional to 51,745.20, 71,374.68 and 42,298.80 is: 58,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,745.20 : 71,374.68 = 42,298.80 : x
  2. Step 2: Convert to fraction form
    51,745.20/71,374.68 = 42,298.80/x
  3. Step 3: Cross multiply
    51,745.20x = 71,374.68 × 42,298.80
  4. Step 4: Simplify right side
    51,745.20x = 3,019,063,314.38
  5. Step 5: Solve for x
    x = 3,019,063,314.38/51,745.20
  6. Step 6: Final answer
    x = 58,344.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.