Home / 31,846.50-47,767.86-9,660.06

Finding the Fourth Proportional to 31,846.50, 47,767.86 and 9,660.06

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Solution

The fourth proportional to 31,846.50, 47,767.86 and 9,660.06 is: 14,489.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.50 : 47,767.86 = 9,660.06 : x
  2. Step 2: Convert to fraction form
    31,846.50/47,767.86 = 9,660.06/x
  3. Step 3: Cross multiply
    31,846.50x = 47,767.86 × 9,660.06
  4. Step 4: Simplify right side
    31,846.50x = 461,440,393.67
  5. Step 5: Solve for x
    x = 461,440,393.67/31,846.50
  6. Step 6: Final answer
    x = 14,489.52

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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.