Home / 31,458-47,194.30-10,681.50

Finding the Fourth Proportional to 31,458, 47,194.30 and 10,681.50

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Solution

The fourth proportional to 31,458, 47,194.30 and 10,681.50 is: 16,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,458 : 47,194.30 = 10,681.50 : x
  2. Step 2: Convert to fraction form
    31,458/47,194.30 = 10,681.50/x
  3. Step 3: Cross multiply
    31,458x = 47,194.30 × 10,681.50
  4. Step 4: Simplify right side
    31,458x = 504,105,862.04
  5. Step 5: Solve for x
    x = 504,105,862.04/31,458
  6. Step 6: Final answer
    x = 16,024.73

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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.