Home / 39,379.65-54,345.27-22,384.61

Finding the Fourth Proportional to 39,379.65, 54,345.27 and 22,384.61

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Solution

The fourth proportional to 39,379.65, 54,345.27 and 22,384.61 is: 30,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,379.65 : 54,345.27 = 22,384.61 : x
  2. Step 2: Convert to fraction form
    39,379.65/54,345.27 = 22,384.61/x
  3. Step 3: Cross multiply
    39,379.65x = 54,345.27 × 22,384.61
  4. Step 4: Simplify right side
    39,379.65x = 1,216,497,402.57
  5. Step 5: Solve for x
    x = 1,216,497,402.57/39,379.65
  6. Step 6: Final answer
    x = 30,891.52

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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.