Home / 29,018.17-43,539.57-15,855.16

Finding the Fourth Proportional to 29,018.17, 43,539.57 and 15,855.16

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Solution

The fourth proportional to 29,018.17, 43,539.57 and 15,855.16 is: 23,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,018.17 : 43,539.57 = 15,855.16 : x
  2. Step 2: Convert to fraction form
    29,018.17/43,539.57 = 15,855.16/x
  3. Step 3: Cross multiply
    29,018.17x = 43,539.57 × 15,855.16
  4. Step 4: Simplify right side
    29,018.17x = 690,326,769.41
  5. Step 5: Solve for x
    x = 690,326,769.41/29,018.17
  6. Step 6: Final answer
    x = 23,789.47

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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.