Home / 55,345.39-76,376.38-30,194.89

Finding the Fourth Proportional to 55,345.39, 76,376.38 and 30,194.89

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Solution

The fourth proportional to 55,345.39, 76,376.38 and 30,194.89 is: 41,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,345.39 : 76,376.38 = 30,194.89 : x
  2. Step 2: Convert to fraction form
    55,345.39/76,376.38 = 30,194.89/x
  3. Step 3: Cross multiply
    55,345.39x = 76,376.38 × 30,194.89
  4. Step 4: Simplify right side
    55,345.39x = 2,306,176,392.70
  5. Step 5: Solve for x
    x = 2,306,176,392.70/55,345.39
  6. Step 6: Final answer
    x = 41,668.81

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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.