Home / 31,447.71-47,178.59-10,394.33

Finding the Fourth Proportional to 31,447.71, 47,178.59 and 10,394.33

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Solution

The fourth proportional to 31,447.71, 47,178.59 and 10,394.33 is: 15,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,447.71 : 47,178.59 = 10,394.33 : x
  2. Step 2: Convert to fraction form
    31,447.71/47,178.59 = 10,394.33/x
  3. Step 3: Cross multiply
    31,447.71x = 47,178.59 × 10,394.33
  4. Step 4: Simplify right side
    31,447.71x = 490,389,545.53
  5. Step 5: Solve for x
    x = 490,389,545.53/31,447.71
  6. Step 6: Final answer
    x = 15,593.81

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1.5x scale

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.