Home / 40,781.79-61,172.04-11,199.63

Finding the Fourth Proportional to 40,781.79, 61,172.04 and 11,199.63

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Solution

The fourth proportional to 40,781.79, 61,172.04 and 11,199.63 is: 16,799.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,781.79 : 61,172.04 = 11,199.63 : x
  2. Step 2: Convert to fraction form
    40,781.79/61,172.04 = 11,199.63/x
  3. Step 3: Cross multiply
    40,781.79x = 61,172.04 × 11,199.63
  4. Step 4: Simplify right side
    40,781.79x = 685,104,214.35
  5. Step 5: Solve for x
    x = 685,104,214.35/40,781.79
  6. Step 6: Final answer
    x = 16,799.27

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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.