Home / 38,726.56-53,442.68-21,959.56

Finding the Fourth Proportional to 38,726.56, 53,442.68 and 21,959.56

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Solution

The fourth proportional to 38,726.56, 53,442.68 and 21,959.56 is: 30,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,726.56 : 53,442.68 = 21,959.56 : x
  2. Step 2: Convert to fraction form
    38,726.56/53,442.68 = 21,959.56/x
  3. Step 3: Cross multiply
    38,726.56x = 53,442.68 × 21,959.56
  4. Step 4: Simplify right side
    38,726.56x = 1,173,577,738.02
  5. Step 5: Solve for x
    x = 1,173,577,738.02/38,726.56
  6. Step 6: Final answer
    x = 30,304.21

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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.