Home / 59,865.68-89,812.60-20,422.94

Finding the Fourth Proportional to 59,865.68, 89,812.60 and 20,422.94

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Solution

The fourth proportional to 59,865.68, 89,812.60 and 20,422.94 is: 30,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,865.68 : 89,812.60 = 20,422.94 : x
  2. Step 2: Convert to fraction form
    59,865.68/89,812.60 = 20,422.94/x
  3. Step 3: Cross multiply
    59,865.68x = 89,812.60 × 20,422.94
  4. Step 4: Simplify right side
    59,865.68x = 1,834,236,840.92
  5. Step 5: Solve for x
    x = 1,834,236,840.92/59,865.68
  6. Step 6: Final answer
    x = 30,639.20

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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.