Home / 31,458.66-47,187.94-21,567.95

Finding the Fourth Proportional to 31,458.66, 47,187.94 and 21,567.95

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Solution

The fourth proportional to 31,458.66, 47,187.94 and 21,567.95 is: 32,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458.66 : 47,187.94 = 21,567.95 : x
  2. Step 2: Convert to fraction form
    31,458.66/47,187.94 = 21,567.95/x
  3. Step 3: Cross multiply
    31,458.66x = 47,187.94 × 21,567.95
  4. Step 4: Simplify right side
    31,458.66x = 1,017,747,194.57
  5. Step 5: Solve for x
    x = 1,017,747,194.57/31,458.66
  6. Step 6: Final answer
    x = 32,351.89

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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.