Home / 62,331.20-93,494.40-20,778.20

Finding the Fourth Proportional to 62,331.20, 93,494.40 and 20,778.20

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Solution

The fourth proportional to 62,331.20, 93,494.40 and 20,778.20 is: 31,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,331.20 : 93,494.40 = 20,778.20 : x
  2. Step 2: Convert to fraction form
    62,331.20/93,494.40 = 20,778.20/x
  3. Step 3: Cross multiply
    62,331.20x = 93,494.40 × 20,778.20
  4. Step 4: Simplify right side
    62,331.20x = 1,942,645,342.08
  5. Step 5: Solve for x
    x = 1,942,645,342.08/62,331.20
  6. Step 6: Final answer
    x = 31,166.50

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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.