Home / 38,159.54-52,659.82-21,392.54

Finding the Fourth Proportional to 38,159.54, 52,659.82 and 21,392.54

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Solution

The fourth proportional to 38,159.54, 52,659.82 and 21,392.54 is: 29,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,159.54 : 52,659.82 = 21,392.54 : x
  2. Step 2: Convert to fraction form
    38,159.54/52,659.82 = 21,392.54/x
  3. Step 3: Cross multiply
    38,159.54x = 52,659.82 × 21,392.54
  4. Step 4: Simplify right side
    38,159.54x = 1,126,527,305.74
  5. Step 5: Solve for x
    x = 1,126,527,305.74/38,159.54
  6. Step 6: Final answer
    x = 29,521.51

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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.