Home / 38,231.25-52,761.47-21,464.25

Finding the Fourth Proportional to 38,231.25, 52,761.47 and 21,464.25

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Solution

The fourth proportional to 38,231.25, 52,761.47 and 21,464.25 is: 29,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,231.25 : 52,761.47 = 21,464.25 : x
  2. Step 2: Convert to fraction form
    38,231.25/52,761.47 = 21,464.25/x
  3. Step 3: Cross multiply
    38,231.25x = 52,761.47 × 21,464.25
  4. Step 4: Simplify right side
    38,231.25x = 1,132,485,275.13
  5. Step 5: Solve for x
    x = 1,132,485,275.13/38,231.25
  6. Step 6: Final answer
    x = 29,621.98

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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.