Home / 54,848.85-75,693.48-30,979.11

Finding the Fourth Proportional to 54,848.85, 75,693.48 and 30,979.11

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Solution

The fourth proportional to 54,848.85, 75,693.48 and 30,979.11 is: 42,752.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,848.85 : 75,693.48 = 30,979.11 : x
  2. Step 2: Convert to fraction form
    54,848.85/75,693.48 = 30,979.11/x
  3. Step 3: Cross multiply
    54,848.85x = 75,693.48 × 30,979.11
  4. Step 4: Simplify right side
    54,848.85x = 2,344,916,643.20
  5. Step 5: Solve for x
    x = 2,344,916,643.20/54,848.85
  6. Step 6: Final answer
    x = 42,752.34

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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.