Home / 54,017.82-80,970.12-30,290.58

Finding the Fourth Proportional to 54,017.82, 80,970.12 and 30,290.58

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Solution

The fourth proportional to 54,017.82, 80,970.12 and 30,290.58 is: 45,404.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,017.82 : 80,970.12 = 30,290.58 : x
  2. Step 2: Convert to fraction form
    54,017.82/80,970.12 = 30,290.58/x
  3. Step 3: Cross multiply
    54,017.82x = 80,970.12 × 30,290.58
  4. Step 4: Simplify right side
    54,017.82x = 2,452,631,897.47
  5. Step 5: Solve for x
    x = 2,452,631,897.47/54,017.82
  6. Step 6: Final answer
    x = 45,404.13

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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.