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Finding the Fourth Proportional to 35,047.52, 48,363.87 and 19,938.75

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Solution

The fourth proportional to 35,047.52, 48,363.87 and 19,938.75 is: 27,514.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,047.52 : 48,363.87 = 19,938.75 : x
  2. Step 2: Convert to fraction form
    35,047.52/48,363.87 = 19,938.75/x
  3. Step 3: Cross multiply
    35,047.52x = 48,363.87 × 19,938.75
  4. Step 4: Simplify right side
    35,047.52x = 964,315,112.96
  5. Step 5: Solve for x
    x = 964,315,112.96/35,047.52
  6. Step 6: Final answer
    x = 27,514.51

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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.