Home / 54,345.78-74,910.49-42,841.93

Finding the Fourth Proportional to 54,345.78, 74,910.49 and 42,841.93

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Solution

The fourth proportional to 54,345.78, 74,910.49 and 42,841.93 is: 59,053.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.78 : 74,910.49 = 42,841.93 : x
  2. Step 2: Convert to fraction form
    54,345.78/74,910.49 = 42,841.93/x
  3. Step 3: Cross multiply
    54,345.78x = 74,910.49 × 42,841.93
  4. Step 4: Simplify right side
    54,345.78x = 3,209,309,968.85
  5. Step 5: Solve for x
    x = 3,209,309,968.85/54,345.78
  6. Step 6: Final answer
    x = 59,053.53

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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.