Home / 40,282.41-55,588.17-22,378.55

Finding the Fourth Proportional to 40,282.41, 55,588.17 and 22,378.55

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Solution

The fourth proportional to 40,282.41, 55,588.17 and 22,378.55 is: 30,881.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,282.41 : 55,588.17 = 22,378.55 : x
  2. Step 2: Convert to fraction form
    40,282.41/55,588.17 = 22,378.55/x
  3. Step 3: Cross multiply
    40,282.41x = 55,588.17 × 22,378.55
  4. Step 4: Simplify right side
    40,282.41x = 1,243,982,363.81
  5. Step 5: Solve for x
    x = 1,243,982,363.81/40,282.41
  6. Step 6: Final answer
    x = 30,881.53

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.