Home / 40,686.93-56,141.46-22,782.69

Finding the Fourth Proportional to 40,686.93, 56,141.46 and 22,782.69

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Solution

The fourth proportional to 40,686.93, 56,141.46 and 22,782.69 is: 31,436.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,686.93 : 56,141.46 = 22,782.69 : x
  2. Step 2: Convert to fraction form
    40,686.93/56,141.46 = 22,782.69/x
  3. Step 3: Cross multiply
    40,686.93x = 56,141.46 × 22,782.69
  4. Step 4: Simplify right side
    40,686.93x = 1,279,053,479.33
  5. Step 5: Solve for x
    x = 1,279,053,479.33/40,686.93
  6. Step 6: Final answer
    x = 31,436.47

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Half scale
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Double scale
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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.