Home / 29,313.23-43,969.45-7,126.55

Finding the Fourth Proportional to 29,313.23, 43,969.45 and 7,126.55

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Solution

The fourth proportional to 29,313.23, 43,969.45 and 7,126.55 is: 10,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,313.23 : 43,969.45 = 7,126.55 : x
  2. Step 2: Convert to fraction form
    29,313.23/43,969.45 = 7,126.55/x
  3. Step 3: Cross multiply
    29,313.23x = 43,969.45 × 7,126.55
  4. Step 4: Simplify right side
    29,313.23x = 313,350,483.90
  5. Step 5: Solve for x
    x = 313,350,483.90/29,313.23
  6. Step 6: Final answer
    x = 10,689.73

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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.