Home / 31,799.96-47,683.53-16,815.17

Finding the Fourth Proportional to 31,799.96, 47,683.53 and 16,815.17

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Solution

The fourth proportional to 31,799.96, 47,683.53 and 16,815.17 is: 25,214.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.96 : 47,683.53 = 16,815.17 : x
  2. Step 2: Convert to fraction form
    31,799.96/47,683.53 = 16,815.17/x
  3. Step 3: Cross multiply
    31,799.96x = 47,683.53 × 16,815.17
  4. Step 4: Simplify right side
    31,799.96x = 801,806,424.73
  5. Step 5: Solve for x
    x = 801,806,424.73/31,799.96
  6. Step 6: Final answer
    x = 25,214.07

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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.