Home / 53,034.30-79,541.73-21,442.68

Finding the Fourth Proportional to 53,034.30, 79,541.73 and 21,442.68

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Solution

The fourth proportional to 53,034.30, 79,541.73 and 21,442.68 is: 32,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,034.30 : 79,541.73 = 21,442.68 : x
  2. Step 2: Convert to fraction form
    53,034.30/79,541.73 = 21,442.68/x
  3. Step 3: Cross multiply
    53,034.30x = 79,541.73 × 21,442.68
  4. Step 4: Simplify right side
    53,034.30x = 1,705,587,863.04
  5. Step 5: Solve for x
    x = 1,705,587,863.04/53,034.30
  6. Step 6: Final answer
    x = 32,160.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.