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Finding the Fourth Proportional to 40,265.80, 60,420.30 and 16,894.60

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Solution

The fourth proportional to 40,265.80, 60,420.30 and 16,894.60 is: 25,350.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,265.80 : 60,420.30 = 16,894.60 : x
  2. Step 2: Convert to fraction form
    40,265.80/60,420.30 = 16,894.60/x
  3. Step 3: Cross multiply
    40,265.80x = 60,420.30 × 16,894.60
  4. Step 4: Simplify right side
    40,265.80x = 1,020,776,800.38
  5. Step 5: Solve for x
    x = 1,020,776,800.38/40,265.80
  6. Step 6: Final answer
    x = 25,350.96

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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.