Home / 47,982.94-71,826.78-31,307.06

Finding the Fourth Proportional to 47,982.94, 71,826.78 and 31,307.06

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Solution

The fourth proportional to 47,982.94, 71,826.78 and 31,307.06 is: 46,864.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,982.94 : 71,826.78 = 31,307.06 : x
  2. Step 2: Convert to fraction form
    47,982.94/71,826.78 = 31,307.06/x
  3. Step 3: Cross multiply
    47,982.94x = 71,826.78 × 31,307.06
  4. Step 4: Simplify right side
    47,982.94x = 2,248,685,154.53
  5. Step 5: Solve for x
    x = 2,248,685,154.53/47,982.94
  6. Step 6: Final answer
    x = 46,864.27

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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.