Home / 47,972.67-66,196.77-27,822.20

Finding the Fourth Proportional to 47,972.67, 66,196.77 and 27,822.20

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Solution

The fourth proportional to 47,972.67, 66,196.77 and 27,822.20 is: 38,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,972.67 : 66,196.77 = 27,822.20 : x
  2. Step 2: Convert to fraction form
    47,972.67/66,196.77 = 27,822.20/x
  3. Step 3: Cross multiply
    47,972.67x = 66,196.77 × 27,822.20
  4. Step 4: Simplify right side
    47,972.67x = 1,841,739,443.31
  5. Step 5: Solve for x
    x = 1,841,739,443.31/47,972.67
  6. Step 6: Final answer
    x = 38,391.43

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1.5x scale

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.