Home / 31,788.18-47,682.27-16,952.15

Finding the Fourth Proportional to 31,788.18, 47,682.27 and 16,952.15

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Solution

The fourth proportional to 31,788.18, 47,682.27 and 16,952.15 is: 25,428.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.18 : 47,682.27 = 16,952.15 : x
  2. Step 2: Convert to fraction form
    31,788.18/47,682.27 = 16,952.15/x
  3. Step 3: Cross multiply
    31,788.18x = 47,682.27 × 16,952.15
  4. Step 4: Simplify right side
    31,788.18x = 808,317,112.59
  5. Step 5: Solve for x
    x = 808,317,112.59/31,788.18
  6. Step 6: Final answer
    x = 25,428.23

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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.