Home / 54,780.00-75,599.85-30,897.96

Finding the Fourth Proportional to 54,780.00, 75,599.85 and 30,897.96

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Solution

The fourth proportional to 54,780.00, 75,599.85 and 30,897.96 is: 42,641.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.00 : 75,599.85 = 30,897.96 : x
  2. Step 2: Convert to fraction form
    54,780.00/75,599.85 = 30,897.96/x
  3. Step 3: Cross multiply
    54,780.00x = 75,599.85 × 30,897.96
  4. Step 4: Simplify right side
    54,780.00x = 2,335,880,763.31
  5. Step 5: Solve for x
    x = 2,335,880,763.31/54,780.00
  6. Step 6: Final answer
    x = 42,641.13

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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.