Home / 55,340.58-76,370.13-30,191.70

Finding the Fourth Proportional to 55,340.58, 76,370.13 and 30,191.70

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Solution

The fourth proportional to 55,340.58, 76,370.13 and 30,191.70 is: 41,664.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,340.58 : 76,370.13 = 30,191.70 : x
  2. Step 2: Convert to fraction form
    55,340.58/76,370.13 = 30,191.70/x
  3. Step 3: Cross multiply
    55,340.58x = 76,370.13 × 30,191.70
  4. Step 4: Simplify right side
    55,340.58x = 2,305,744,053.92
  5. Step 5: Solve for x
    x = 2,305,744,053.92/55,340.58
  6. Step 6: Final answer
    x = 41,664.62

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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.