Home / 31,395.29-47,092.95-19,716.71

Finding the Fourth Proportional to 31,395.29, 47,092.95 and 19,716.71

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Solution

The fourth proportional to 31,395.29, 47,092.95 and 19,716.71 is: 29,575.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.29 : 47,092.95 = 19,716.71 : x
  2. Step 2: Convert to fraction form
    31,395.29/47,092.95 = 19,716.71/x
  3. Step 3: Cross multiply
    31,395.29x = 47,092.95 × 19,716.71
  4. Step 4: Simplify right side
    31,395.29x = 928,517,802.73
  5. Step 5: Solve for x
    x = 928,517,802.73/31,395.29
  6. Step 6: Final answer
    x = 29,575.07

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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.