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Finding the Fourth Proportional to 32,455.78, 44,788.95 and 17,551.78

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Solution

The fourth proportional to 32,455.78, 44,788.95 and 17,551.78 is: 24,221.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,455.78 : 44,788.95 = 17,551.78 : x
  2. Step 2: Convert to fraction form
    32,455.78/44,788.95 = 17,551.78/x
  3. Step 3: Cross multiply
    32,455.78x = 44,788.95 × 17,551.78
  4. Step 4: Simplify right side
    32,455.78x = 786,125,796.83
  5. Step 5: Solve for x
    x = 786,125,796.83/32,455.78
  6. Step 6: Final answer
    x = 24,221.44

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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.