Home / 29,326.87-43,989.93-7,140.27

Finding the Fourth Proportional to 29,326.87, 43,989.93 and 7,140.27

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Solution

The fourth proportional to 29,326.87, 43,989.93 and 7,140.27 is: 10,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.87 : 43,989.93 = 7,140.27 : x
  2. Step 2: Convert to fraction form
    29,326.87/43,989.93 = 7,140.27/x
  3. Step 3: Cross multiply
    29,326.87x = 43,989.93 × 7,140.27
  4. Step 4: Simplify right side
    29,326.87x = 314,099,977.48
  5. Step 5: Solve for x
    x = 314,099,977.48/29,326.87
  6. Step 6: Final answer
    x = 10,710.31

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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.