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Finding the Fourth Proportional to 40,402.88, 60,630.40 and 17,029.44

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Solution

The fourth proportional to 40,402.88, 60,630.40 and 17,029.44 is: 25,555.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.88 : 60,630.40 = 17,029.44 : x
  2. Step 2: Convert to fraction form
    40,402.88/60,630.40 = 17,029.44/x
  3. Step 3: Cross multiply
    40,402.88x = 60,630.40 × 17,029.44
  4. Step 4: Simplify right side
    40,402.88x = 1,032,501,758.98
  5. Step 5: Solve for x
    x = 1,032,501,758.98/40,402.88
  6. Step 6: Final answer
    x = 25,555.15

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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.