Home / 31,628.10-47,440.52-9,441.66

Finding the Fourth Proportional to 31,628.10, 47,440.52 and 9,441.66

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Solution

The fourth proportional to 31,628.10, 47,440.52 and 9,441.66 is: 14,162.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,628.10 : 47,440.52 = 9,441.66 : x
  2. Step 2: Convert to fraction form
    31,628.10/47,440.52 = 9,441.66/x
  3. Step 3: Cross multiply
    31,628.10x = 47,440.52 × 9,441.66
  4. Step 4: Simplify right side
    31,628.10x = 447,917,046.46
  5. Step 5: Solve for x
    x = 447,917,046.46/31,628.10
  6. Step 6: Final answer
    x = 14,162.00

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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.