Home / 31,788.59-47,682.90-11,012.09

Finding the Fourth Proportional to 31,788.59, 47,682.90 and 11,012.09

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Solution

The fourth proportional to 31,788.59, 47,682.90 and 11,012.09 is: 16,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.59 : 47,682.90 = 11,012.09 : x
  2. Step 2: Convert to fraction form
    31,788.59/47,682.90 = 11,012.09/x
  3. Step 3: Cross multiply
    31,788.59x = 47,682.90 × 11,012.09
  4. Step 4: Simplify right side
    31,788.59x = 525,088,147.85
  5. Step 5: Solve for x
    x = 525,088,147.85/31,788.59
  6. Step 6: Final answer
    x = 16,518.14

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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.