Home / 30,908.70-46,279.92-25,428.18

Finding the Fourth Proportional to 30,908.70, 46,279.92 and 25,428.18

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Solution

The fourth proportional to 30,908.70, 46,279.92 and 25,428.18 is: 38,073.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.70 : 46,279.92 = 25,428.18 : x
  2. Step 2: Convert to fraction form
    30,908.70/46,279.92 = 25,428.18/x
  3. Step 3: Cross multiply
    30,908.70x = 46,279.92 × 25,428.18
  4. Step 4: Simplify right side
    30,908.70x = 1,176,814,136.15
  5. Step 5: Solve for x
    x = 1,176,814,136.15/30,908.70
  6. Step 6: Final answer
    x = 38,073.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.