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Finding the Fourth Proportional to 35,422.52, 48,882.49 and 19,508.45

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Solution

The fourth proportional to 35,422.52, 48,882.49 and 19,508.45 is: 26,921.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.52 : 48,882.49 = 19,508.45 : x
  2. Step 2: Convert to fraction form
    35,422.52/48,882.49 = 19,508.45/x
  3. Step 3: Cross multiply
    35,422.52x = 48,882.49 × 19,508.45
  4. Step 4: Simplify right side
    35,422.52x = 953,621,318.86
  5. Step 5: Solve for x
    x = 953,621,318.86/35,422.52
  6. Step 6: Final answer
    x = 26,921.33

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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.