Home / 53,678.79-74,079.05-29,805.48

Finding the Fourth Proportional to 53,678.79, 74,079.05 and 29,805.48

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Solution

The fourth proportional to 53,678.79, 74,079.05 and 29,805.48 is: 41,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,678.79 : 74,079.05 = 29,805.48 : x
  2. Step 2: Convert to fraction form
    53,678.79/74,079.05 = 29,805.48/x
  3. Step 3: Cross multiply
    53,678.79x = 74,079.05 × 29,805.48
  4. Step 4: Simplify right side
    53,678.79x = 2,207,961,494.17
  5. Step 5: Solve for x
    x = 2,207,961,494.17/53,678.79
  6. Step 6: Final answer
    x = 41,132.85

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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.