Home / 43,121.36-64,665.88-15,034.21

Finding the Fourth Proportional to 43,121.36, 64,665.88 and 15,034.21

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Solution

The fourth proportional to 43,121.36, 64,665.88 and 15,034.21 is: 22,545.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,121.36 : 64,665.88 = 15,034.21 : x
  2. Step 2: Convert to fraction form
    43,121.36/64,665.88 = 15,034.21/x
  3. Step 3: Cross multiply
    43,121.36x = 64,665.88 × 15,034.21
  4. Step 4: Simplify right side
    43,121.36x = 972,200,220.50
  5. Step 5: Solve for x
    x = 972,200,220.50/43,121.36
  6. Step 6: Final answer
    x = 22,545.67

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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.