Home / 40,659.25-56,101.71-22,750.78

Finding the Fourth Proportional to 40,659.25, 56,101.71 and 22,750.78

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Solution

The fourth proportional to 40,659.25, 56,101.71 and 22,750.78 is: 31,391.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,659.25 : 56,101.71 = 22,750.78 : x
  2. Step 2: Convert to fraction form
    40,659.25/56,101.71 = 22,750.78/x
  3. Step 3: Cross multiply
    40,659.25x = 56,101.71 × 22,750.78
  4. Step 4: Simplify right side
    40,659.25x = 1,276,357,661.83
  5. Step 5: Solve for x
    x = 1,276,357,661.83/40,659.25
  6. Step 6: Final answer
    x = 31,391.57

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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.