Home / 31,910.23-47,624.13-31,080.79

Finding the Fourth Proportional to 31,910.23, 47,624.13 and 31,080.79

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Solution

The fourth proportional to 31,910.23, 47,624.13 and 31,080.79 is: 46,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,910.23 : 47,624.13 = 31,080.79 : x
  2. Step 2: Convert to fraction form
    31,910.23/47,624.13 = 31,080.79/x
  3. Step 3: Cross multiply
    31,910.23x = 47,624.13 × 31,080.79
  4. Step 4: Simplify right side
    31,910.23x = 1,480,195,583.46
  5. Step 5: Solve for x
    x = 1,480,195,583.46/31,910.23
  6. Step 6: Final answer
    x = 46,386.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.