Home / 64,721.78-97,083.31-17,974.90

Finding the Fourth Proportional to 64,721.78, 97,083.31 and 17,974.90

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Solution

The fourth proportional to 64,721.78, 97,083.31 and 17,974.90 is: 26,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,721.78 : 97,083.31 = 17,974.90 : x
  2. Step 2: Convert to fraction form
    64,721.78/97,083.31 = 17,974.90/x
  3. Step 3: Cross multiply
    64,721.78x = 97,083.31 × 17,974.90
  4. Step 4: Simplify right side
    64,721.78x = 1,745,062,788.92
  5. Step 5: Solve for x
    x = 1,745,062,788.92/64,721.78
  6. Step 6: Final answer
    x = 26,962.53

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1.5x scale

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.