Home / 55,610.76-83,206.86-39,003.20

Finding the Fourth Proportional to 55,610.76, 83,206.86 and 39,003.20

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Solution

The fourth proportional to 55,610.76, 83,206.86 and 39,003.20 is: 58,358.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,610.76 : 83,206.86 = 39,003.20 : x
  2. Step 2: Convert to fraction form
    55,610.76/83,206.86 = 39,003.20/x
  3. Step 3: Cross multiply
    55,610.76x = 83,206.86 × 39,003.20
  4. Step 4: Simplify right side
    55,610.76x = 3,245,333,801.95
  5. Step 5: Solve for x
    x = 3,245,333,801.95/55,610.76
  6. Step 6: Final answer
    x = 58,358.02

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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.