Home / 59,921.20-89,869.20-30,311.20

Finding the Fourth Proportional to 59,921.20, 89,869.20 and 30,311.20

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Solution

The fourth proportional to 59,921.20, 89,869.20 and 30,311.20 is: 45,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,921.20 : 89,869.20 = 30,311.20 : x
  2. Step 2: Convert to fraction form
    59,921.20/89,869.20 = 30,311.20/x
  3. Step 3: Cross multiply
    59,921.20x = 89,869.20 × 30,311.20
  4. Step 4: Simplify right side
    59,921.20x = 2,724,043,295.04
  5. Step 5: Solve for x
    x = 2,724,043,295.04/59,921.20
  6. Step 6: Final answer
    x = 45,460.43

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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.