Home / 55,400.40-83,081.76-17,950.32

Finding the Fourth Proportional to 55,400.40, 83,081.76 and 17,950.32

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Solution

The fourth proportional to 55,400.40, 83,081.76 and 17,950.32 is: 26,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,400.40 : 83,081.76 = 17,950.32 : x
  2. Step 2: Convert to fraction form
    55,400.40/83,081.76 = 17,950.32/x
  3. Step 3: Cross multiply
    55,400.40x = 83,081.76 × 17,950.32
  4. Step 4: Simplify right side
    55,400.40x = 1,491,344,178.16
  5. Step 5: Solve for x
    x = 1,491,344,178.16/55,400.40
  6. Step 6: Final answer
    x = 26,919.38

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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.