Home / 29,119.28-40,152.76-19,671.44

Finding the Fourth Proportional to 29,119.28, 40,152.76 and 19,671.44

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Solution

The fourth proportional to 29,119.28, 40,152.76 and 19,671.44 is: 27,125.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,119.28 : 40,152.76 = 19,671.44 : x
  2. Step 2: Convert to fraction form
    29,119.28/40,152.76 = 19,671.44/x
  3. Step 3: Cross multiply
    29,119.28x = 40,152.76 × 19,671.44
  4. Step 4: Simplify right side
    29,119.28x = 789,862,609.17
  5. Step 5: Solve for x
    x = 789,862,609.17/29,119.28
  6. Step 6: Final answer
    x = 27,125.07

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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.