Home / 29,326.26-43,989.42-7,139.46

Finding the Fourth Proportional to 29,326.26, 43,989.42 and 7,139.46

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Solution

The fourth proportional to 29,326.26, 43,989.42 and 7,139.46 is: 10,709.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.26 : 43,989.42 = 7,139.46 : x
  2. Step 2: Convert to fraction form
    29,326.26/43,989.42 = 7,139.46/x
  3. Step 3: Cross multiply
    29,326.26x = 43,989.42 × 7,139.46
  4. Step 4: Simplify right side
    29,326.26x = 314,060,704.51
  5. Step 5: Solve for x
    x = 314,060,704.51/29,326.26
  6. Step 6: Final answer
    x = 10,709.20

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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.