Home / 31,878.60-47,823.36-9,694.18

Finding the Fourth Proportional to 31,878.60, 47,823.36 and 9,694.18

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Solution

The fourth proportional to 31,878.60, 47,823.36 and 9,694.18 is: 14,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,878.60 : 47,823.36 = 9,694.18 : x
  2. Step 2: Convert to fraction form
    31,878.60/47,823.36 = 9,694.18/x
  3. Step 3: Cross multiply
    31,878.60x = 47,823.36 × 9,694.18
  4. Step 4: Simplify right side
    31,878.60x = 463,608,260.04
  5. Step 5: Solve for x
    x = 463,608,260.04/31,878.60
  6. Step 6: Final answer
    x = 14,542.93

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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.