Home / 29,018.04-43,539.38-15,855.04

Finding the Fourth Proportional to 29,018.04, 43,539.38 and 15,855.04

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Solution

The fourth proportional to 29,018.04, 43,539.38 and 15,855.04 is: 23,789.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.04 : 43,539.38 = 15,855.04 : x
  2. Step 2: Convert to fraction form
    29,018.04/43,539.38 = 15,855.04/x
  3. Step 3: Cross multiply
    29,018.04x = 43,539.38 × 15,855.04
  4. Step 4: Simplify right side
    29,018.04x = 690,318,482.81
  5. Step 5: Solve for x
    x = 690,318,482.81/29,018.04
  6. Step 6: Final answer
    x = 23,789.28

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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.