Home / 40,083.04-55,314.66-22,178.80

Finding the Fourth Proportional to 40,083.04, 55,314.66 and 22,178.80

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Solution

The fourth proportional to 40,083.04, 55,314.66 and 22,178.80 is: 30,606.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,083.04 : 55,314.66 = 22,178.80 : x
  2. Step 2: Convert to fraction form
    40,083.04/55,314.66 = 22,178.80/x
  3. Step 3: Cross multiply
    40,083.04x = 55,314.66 × 22,178.80
  4. Step 4: Simplify right side
    40,083.04x = 1,226,812,781.21
  5. Step 5: Solve for x
    x = 1,226,812,781.21/40,083.04
  6. Step 6: Final answer
    x = 30,606.78

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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.