Home / 54,557.98-75,283.88-30,684.14

Finding the Fourth Proportional to 54,557.98, 75,283.88 and 30,684.14

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Solution

The fourth proportional to 54,557.98, 75,283.88 and 30,684.14 is: 42,340.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,557.98 : 75,283.88 = 30,684.14 : x
  2. Step 2: Convert to fraction form
    54,557.98/75,283.88 = 30,684.14/x
  3. Step 3: Cross multiply
    54,557.98x = 75,283.88 × 30,684.14
  4. Step 4: Simplify right side
    54,557.98x = 2,310,021,113.66
  5. Step 5: Solve for x
    x = 2,310,021,113.66/54,557.98
  6. Step 6: Final answer
    x = 42,340.66

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Double scale
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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.