Home / 32,986.72-49,460.11-12,972.22

Finding the Fourth Proportional to 32,986.72, 49,460.11 and 12,972.22

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Solution

The fourth proportional to 32,986.72, 49,460.11 and 12,972.22 is: 19,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986.72 : 49,460.11 = 12,972.22 : x
  2. Step 2: Convert to fraction form
    32,986.72/49,460.11 = 12,972.22/x
  3. Step 3: Cross multiply
    32,986.72x = 49,460.11 × 12,972.22
  4. Step 4: Simplify right side
    32,986.72x = 641,607,428.14
  5. Step 5: Solve for x
    x = 641,607,428.14/32,986.72
  6. Step 6: Final answer
    x = 19,450.48

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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.