Home / 55,976.90-83,965.35-18,526.90

Finding the Fourth Proportional to 55,976.90, 83,965.35 and 18,526.90

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Solution

The fourth proportional to 55,976.90, 83,965.35 and 18,526.90 is: 27,790.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.90 : 83,965.35 = 18,526.90 : x
  2. Step 2: Convert to fraction form
    55,976.90/83,965.35 = 18,526.90/x
  3. Step 3: Cross multiply
    55,976.90x = 83,965.35 × 18,526.90
  4. Step 4: Simplify right side
    55,976.90x = 1,555,617,642.92
  5. Step 5: Solve for x
    x = 1,555,617,642.92/55,976.90
  6. Step 6: Final answer
    x = 27,790.35

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Similar ratio
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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.