Home / 29,135.30-43,715.79-15,281.06

Finding the Fourth Proportional to 29,135.30, 43,715.79 and 15,281.06

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Solution

The fourth proportional to 29,135.30, 43,715.79 and 15,281.06 is: 22,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,135.30 : 43,715.79 = 15,281.06 : x
  2. Step 2: Convert to fraction form
    29,135.30/43,715.79 = 15,281.06/x
  3. Step 3: Cross multiply
    29,135.30x = 43,715.79 × 15,281.06
  4. Step 4: Simplify right side
    29,135.30x = 668,023,609.94
  5. Step 5: Solve for x
    x = 668,023,609.94/29,135.30
  6. Step 6: Final answer
    x = 22,928.32

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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.