Home / 70,274.31-96,979.40-38,442.52

Finding the Fourth Proportional to 70,274.31, 96,979.40 and 38,442.52

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Solution

The fourth proportional to 70,274.31, 96,979.40 and 38,442.52 is: 53,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,274.31 : 96,979.40 = 38,442.52 : x
  2. Step 2: Convert to fraction form
    70,274.31/96,979.40 = 38,442.52/x
  3. Step 3: Cross multiply
    70,274.31x = 96,979.40 × 38,442.52
  4. Step 4: Simplify right side
    70,274.31x = 3,728,132,524.09
  5. Step 5: Solve for x
    x = 3,728,132,524.09/70,274.31
  6. Step 6: Final answer
    x = 53,051.14

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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.