Home / 55,609.76-83,205.36-39,002.20

Finding the Fourth Proportional to 55,609.76, 83,205.36 and 39,002.20

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Solution

The fourth proportional to 55,609.76, 83,205.36 and 39,002.20 is: 58,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,609.76 : 83,205.36 = 39,002.20 : x
  2. Step 2: Convert to fraction form
    55,609.76/83,205.36 = 39,002.20/x
  3. Step 3: Cross multiply
    55,609.76x = 83,205.36 × 39,002.20
  4. Step 4: Simplify right side
    55,609.76x = 3,245,192,091.79
  5. Step 5: Solve for x
    x = 3,245,192,091.79/55,609.76
  6. Step 6: Final answer
    x = 58,356.52

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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.