Home / 62,221.50-93,302.82-20,639.34

Finding the Fourth Proportional to 62,221.50, 93,302.82 and 20,639.34

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Solution

The fourth proportional to 62,221.50, 93,302.82 and 20,639.34 is: 30,949.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,221.50 : 93,302.82 = 20,639.34 : x
  2. Step 2: Convert to fraction form
    62,221.50/93,302.82 = 20,639.34/x
  3. Step 3: Cross multiply
    62,221.50x = 93,302.82 × 20,639.34
  4. Step 4: Simplify right side
    62,221.50x = 1,925,708,624.94
  5. Step 5: Solve for x
    x = 1,925,708,624.94/62,221.50
  6. Step 6: Final answer
    x = 30,949.25

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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.