Home / 62,436.80-93,655.20-20,320.85

Finding the Fourth Proportional to 62,436.80, 93,655.20 and 20,320.85

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Solution

The fourth proportional to 62,436.80, 93,655.20 and 20,320.85 is: 30,481.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,436.80 : 93,655.20 = 20,320.85 : x
  2. Step 2: Convert to fraction form
    62,436.80/93,655.20 = 20,320.85/x
  3. Step 3: Cross multiply
    62,436.80x = 93,655.20 × 20,320.85
  4. Step 4: Simplify right side
    62,436.80x = 1,903,153,270.92
  5. Step 5: Solve for x
    x = 1,903,153,270.92/62,436.80
  6. Step 6: Final answer
    x = 30,481.28

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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.