Home / 31,864.65-47,786.73-10,512.56

Finding the Fourth Proportional to 31,864.65, 47,786.73 and 10,512.56

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Solution

The fourth proportional to 31,864.65, 47,786.73 and 10,512.56 is: 15,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,864.65 : 47,786.73 = 10,512.56 : x
  2. Step 2: Convert to fraction form
    31,864.65/47,786.73 = 10,512.56/x
  3. Step 3: Cross multiply
    31,864.65x = 47,786.73 × 10,512.56
  4. Step 4: Simplify right side
    31,864.65x = 502,361,012.08
  5. Step 5: Solve for x
    x = 502,361,012.08/31,864.65
  6. Step 6: Final answer
    x = 15,765.47

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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.