Home / 29,559.24-40,778.71-19,995.71

Finding the Fourth Proportional to 29,559.24, 40,778.71 and 19,995.71

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Solution

The fourth proportional to 29,559.24, 40,778.71 and 19,995.71 is: 27,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,559.24 : 40,778.71 = 19,995.71 : x
  2. Step 2: Convert to fraction form
    29,559.24/40,778.71 = 19,995.71/x
  3. Step 3: Cross multiply
    29,559.24x = 40,778.71 × 19,995.71
  4. Step 4: Simplify right side
    29,559.24x = 815,399,005.45
  5. Step 5: Solve for x
    x = 815,399,005.45/29,559.24
  6. Step 6: Final answer
    x = 27,585.25

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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.