Home / 34,871.28-48,121.79-18,956.13

Finding the Fourth Proportional to 34,871.28, 48,121.79 and 18,956.13

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Solution

The fourth proportional to 34,871.28, 48,121.79 and 18,956.13 is: 26,159.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,871.28 : 48,121.79 = 18,956.13 : x
  2. Step 2: Convert to fraction form
    34,871.28/48,121.79 = 18,956.13/x
  3. Step 3: Cross multiply
    34,871.28x = 48,121.79 × 18,956.13
  4. Step 4: Simplify right side
    34,871.28x = 912,202,907.07
  5. Step 5: Solve for x
    x = 912,202,907.07/34,871.28
  6. Step 6: Final answer
    x = 26,159.15

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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.