Home / 31,250.46-46,908.09-20,934.30

Finding the Fourth Proportional to 31,250.46, 46,908.09 and 20,934.30

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Solution

The fourth proportional to 31,250.46, 46,908.09 and 20,934.30 is: 31,423.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.46 : 46,908.09 = 20,934.30 : x
  2. Step 2: Convert to fraction form
    31,250.46/46,908.09 = 20,934.30/x
  3. Step 3: Cross multiply
    31,250.46x = 46,908.09 × 20,934.30
  4. Step 4: Simplify right side
    31,250.46x = 981,988,028.49
  5. Step 5: Solve for x
    x = 981,988,028.49/31,250.46
  6. Step 6: Final answer
    x = 31,423.15

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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.