Home / 55,320.39-76,339.82-30,169.89

Finding the Fourth Proportional to 55,320.39, 76,339.82 and 30,169.89

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Solution

The fourth proportional to 55,320.39, 76,339.82 and 30,169.89 is: 41,633.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,320.39 : 76,339.82 = 30,169.89 : x
  2. Step 2: Convert to fraction form
    55,320.39/76,339.82 = 30,169.89/x
  3. Step 3: Cross multiply
    55,320.39x = 76,339.82 × 30,169.89
  4. Step 4: Simplify right side
    55,320.39x = 2,303,163,821.17
  5. Step 5: Solve for x
    x = 2,303,163,821.17/55,320.39
  6. Step 6: Final answer
    x = 41,633.18

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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.