Home / 31,444.91-47,167.29-8,071.35

Finding the Fourth Proportional to 31,444.91, 47,167.29 and 8,071.35

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Solution

The fourth proportional to 31,444.91, 47,167.29 and 8,071.35 is: 12,107.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,444.91 : 47,167.29 = 8,071.35 : x
  2. Step 2: Convert to fraction form
    31,444.91/47,167.29 = 8,071.35/x
  3. Step 3: Cross multiply
    31,444.91x = 47,167.29 × 8,071.35
  4. Step 4: Simplify right side
    31,444.91x = 380,703,706.14
  5. Step 5: Solve for x
    x = 380,703,706.14/31,444.91
  6. Step 6: Final answer
    x = 12,107.01

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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.