Home / 40,339.65-55,670.06-22,191.13

Finding the Fourth Proportional to 40,339.65, 55,670.06 and 22,191.13

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Solution

The fourth proportional to 40,339.65, 55,670.06 and 22,191.13 is: 30,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,339.65 : 55,670.06 = 22,191.13 : x
  2. Step 2: Convert to fraction form
    40,339.65/55,670.06 = 22,191.13/x
  3. Step 3: Cross multiply
    40,339.65x = 55,670.06 × 22,191.13
  4. Step 4: Simplify right side
    40,339.65x = 1,235,381,454.87
  5. Step 5: Solve for x
    x = 1,235,381,454.87/40,339.65
  6. Step 6: Final answer
    x = 30,624.50

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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.