Home / 61,724.28-85,179.96-33,430.20

Finding the Fourth Proportional to 61,724.28, 85,179.96 and 33,430.20

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Solution

The fourth proportional to 61,724.28, 85,179.96 and 33,430.20 is: 46,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.28 : 85,179.96 = 33,430.20 : x
  2. Step 2: Convert to fraction form
    61,724.28/85,179.96 = 33,430.20/x
  3. Step 3: Cross multiply
    61,724.28x = 85,179.96 × 33,430.20
  4. Step 4: Simplify right side
    61,724.28x = 2,847,583,098.79
  5. Step 5: Solve for x
    x = 2,847,583,098.79/61,724.28
  6. Step 6: Final answer
    x = 46,133.92

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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.