Home / 56,849.28-85,273.92-21,788.88

Finding the Fourth Proportional to 56,849.28, 85,273.92 and 21,788.88

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Solution

The fourth proportional to 56,849.28, 85,273.92 and 21,788.88 is: 32,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,849.28 : 85,273.92 = 21,788.88 : x
  2. Step 2: Convert to fraction form
    56,849.28/85,273.92 = 21,788.88/x
  3. Step 3: Cross multiply
    56,849.28x = 85,273.92 × 21,788.88
  4. Step 4: Simplify right side
    56,849.28x = 1,858,023,210.01
  5. Step 5: Solve for x
    x = 1,858,023,210.01/56,849.28
  6. Step 6: Final answer
    x = 32,683.32

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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.