Home / 40,729.72-60,983.70-30,839.08

Finding the Fourth Proportional to 40,729.72, 60,983.70 and 30,839.08

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Solution

The fourth proportional to 40,729.72, 60,983.70 and 30,839.08 is: 46,174.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,729.72 : 60,983.70 = 30,839.08 : x
  2. Step 2: Convert to fraction form
    40,729.72/60,983.70 = 30,839.08/x
  3. Step 3: Cross multiply
    40,729.72x = 60,983.70 × 30,839.08
  4. Step 4: Simplify right side
    40,729.72x = 1,880,681,203.00
  5. Step 5: Solve for x
    x = 1,880,681,203.00/40,729.72
  6. Step 6: Final answer
    x = 46,174.67

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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.