Home / 31,701.72-47,552.58-12,982.08

Finding the Fourth Proportional to 31,701.72, 47,552.58 and 12,982.08

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Solution

The fourth proportional to 31,701.72, 47,552.58 and 12,982.08 is: 19,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.72 : 47,552.58 = 12,982.08 : x
  2. Step 2: Convert to fraction form
    31,701.72/47,552.58 = 12,982.08/x
  3. Step 3: Cross multiply
    31,701.72x = 47,552.58 × 12,982.08
  4. Step 4: Simplify right side
    31,701.72x = 617,331,397.77
  5. Step 5: Solve for x
    x = 617,331,397.77/31,701.72
  6. Step 6: Final answer
    x = 19,473.12

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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.