Home / 55,776.76-83,698.39-20,240.85

Finding the Fourth Proportional to 55,776.76, 83,698.39 and 20,240.85

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Solution

The fourth proportional to 55,776.76, 83,698.39 and 20,240.85 is: 30,373.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.76 : 83,698.39 = 20,240.85 : x
  2. Step 2: Convert to fraction form
    55,776.76/83,698.39 = 20,240.85/x
  3. Step 3: Cross multiply
    55,776.76x = 83,698.39 × 20,240.85
  4. Step 4: Simplify right side
    55,776.76x = 1,694,126,861.01
  5. Step 5: Solve for x
    x = 1,694,126,861.01/55,776.76
  6. Step 6: Final answer
    x = 30,373.35

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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.