Home / 29,326.67-43,989.39-7,140.17

Finding the Fourth Proportional to 29,326.67, 43,989.39 and 7,140.17

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Solution

The fourth proportional to 29,326.67, 43,989.39 and 7,140.17 is: 10,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.67 : 43,989.39 = 7,140.17 : x
  2. Step 2: Convert to fraction form
    29,326.67/43,989.39 = 7,140.17/x
  3. Step 3: Cross multiply
    29,326.67x = 43,989.39 × 7,140.17
  4. Step 4: Simplify right side
    29,326.67x = 314,091,722.80
  5. Step 5: Solve for x
    x = 314,091,722.80/29,326.67
  6. Step 6: Final answer
    x = 10,710.11

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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.