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Finding the Fourth Proportional to 35,468.38, 48,946.70 and 19,553.40

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Solution

The fourth proportional to 35,468.38, 48,946.70 and 19,553.40 is: 26,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,468.38 : 48,946.70 = 19,553.40 : x
  2. Step 2: Convert to fraction form
    35,468.38/48,946.70 = 19,553.40/x
  3. Step 3: Cross multiply
    35,468.38x = 48,946.70 × 19,553.40
  4. Step 4: Simplify right side
    35,468.38x = 957,074,403.78
  5. Step 5: Solve for x
    x = 957,074,403.78/35,468.38
  6. Step 6: Final answer
    x = 26,983.88

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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.