Home / 40,266.72-60,387.77-19,195.65

Finding the Fourth Proportional to 40,266.72, 60,387.77 and 19,195.65

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Solution

The fourth proportional to 40,266.72, 60,387.77 and 19,195.65 is: 28,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,266.72 : 60,387.77 = 19,195.65 : x
  2. Step 2: Convert to fraction form
    40,266.72/60,387.77 = 19,195.65/x
  3. Step 3: Cross multiply
    40,266.72x = 60,387.77 × 19,195.65
  4. Step 4: Simplify right side
    40,266.72x = 1,159,182,545.19
  5. Step 5: Solve for x
    x = 1,159,182,545.19/40,266.72
  6. Step 6: Final answer
    x = 28,787.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.