Home / 40,369.87-60,537.15-20,367.05

Finding the Fourth Proportional to 40,369.87, 60,537.15 and 20,367.05

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Solution

The fourth proportional to 40,369.87, 60,537.15 and 20,367.05 is: 30,541.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,369.87 : 60,537.15 = 20,367.05 : x
  2. Step 2: Convert to fraction form
    40,369.87/60,537.15 = 20,367.05/x
  3. Step 3: Cross multiply
    40,369.87x = 60,537.15 × 20,367.05
  4. Step 4: Simplify right side
    40,369.87x = 1,232,963,312.25
  5. Step 5: Solve for x
    x = 1,232,963,312.25/40,369.87
  6. Step 6: Final answer
    x = 30,541.67

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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.