Home / 55,249.04-76,223.68-36,139.71

Finding the Fourth Proportional to 55,249.04, 76,223.68 and 36,139.71

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Solution

The fourth proportional to 55,249.04, 76,223.68 and 36,139.71 is: 49,859.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,249.04 : 76,223.68 = 36,139.71 : x
  2. Step 2: Convert to fraction form
    55,249.04/76,223.68 = 36,139.71/x
  3. Step 3: Cross multiply
    55,249.04x = 76,223.68 × 36,139.71
  4. Step 4: Simplify right side
    55,249.04x = 2,754,701,735.51
  5. Step 5: Solve for x
    x = 2,754,701,735.51/55,249.04
  6. Step 6: Final answer
    x = 49,859.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.