Home / 54,841.32-82,261.98-19,780.97

Finding the Fourth Proportional to 54,841.32, 82,261.98 and 19,780.97

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Solution

The fourth proportional to 54,841.32, 82,261.98 and 19,780.97 is: 29,671.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,841.32 : 82,261.98 = 19,780.97 : x
  2. Step 2: Convert to fraction form
    54,841.32/82,261.98 = 19,780.97/x
  3. Step 3: Cross multiply
    54,841.32x = 82,261.98 × 19,780.97
  4. Step 4: Simplify right side
    54,841.32x = 1,627,221,347.21
  5. Step 5: Solve for x
    x = 1,627,221,347.21/54,841.32
  6. Step 6: Final answer
    x = 29,671.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.