Home / 29,271.29-40,366.97-19,431.14

Finding the Fourth Proportional to 29,271.29, 40,366.97 and 19,431.14

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Solution

The fourth proportional to 29,271.29, 40,366.97 and 19,431.14 is: 26,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.29 : 40,366.97 = 19,431.14 : x
  2. Step 2: Convert to fraction form
    29,271.29/40,366.97 = 19,431.14/x
  3. Step 3: Cross multiply
    29,271.29x = 40,366.97 × 19,431.14
  4. Step 4: Simplify right side
    29,271.29x = 784,376,103.41
  5. Step 5: Solve for x
    x = 784,376,103.41/29,271.29
  6. Step 6: Final answer
    x = 26,796.77

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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.