Home / 56,959.20-85,438.80-33,631.20

Finding the Fourth Proportional to 56,959.20, 85,438.80 and 33,631.20

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Solution

The fourth proportional to 56,959.20, 85,438.80 and 33,631.20 is: 50,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,959.20 : 85,438.80 = 33,631.20 : x
  2. Step 2: Convert to fraction form
    56,959.20/85,438.80 = 33,631.20/x
  3. Step 3: Cross multiply
    56,959.20x = 85,438.80 × 33,631.20
  4. Step 4: Simplify right side
    56,959.20x = 2,873,409,370.56
  5. Step 5: Solve for x
    x = 2,873,409,370.56/56,959.20
  6. Step 6: Final answer
    x = 50,446.80

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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.