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Finding the Fourth Proportional to 35,411.96, 53,150.74 and 17,894.08

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Solution

The fourth proportional to 35,411.96, 53,150.74 and 17,894.08 is: 26,857.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,411.96 : 53,150.74 = 17,894.08 : x
  2. Step 2: Convert to fraction form
    35,411.96/53,150.74 = 17,894.08/x
  3. Step 3: Cross multiply
    35,411.96x = 53,150.74 × 17,894.08
  4. Step 4: Simplify right side
    35,411.96x = 951,083,593.62
  5. Step 5: Solve for x
    x = 951,083,593.62/35,411.96
  6. Step 6: Final answer
    x = 26,857.69

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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.