Home / 63,212.57-87,250.11-39,325.67

Finding the Fourth Proportional to 63,212.57, 87,250.11 and 39,325.67

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Solution

The fourth proportional to 63,212.57, 87,250.11 and 39,325.67 is: 54,279.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.57 : 87,250.11 = 39,325.67 : x
  2. Step 2: Convert to fraction form
    63,212.57/87,250.11 = 39,325.67/x
  3. Step 3: Cross multiply
    63,212.57x = 87,250.11 × 39,325.67
  4. Step 4: Simplify right side
    63,212.57x = 3,431,169,033.32
  5. Step 5: Solve for x
    x = 3,431,169,033.32/63,212.57
  6. Step 6: Final answer
    x = 54,279.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.