Home / 47,019.24-70,529.13-18,952.20

Finding the Fourth Proportional to 47,019.24, 70,529.13 and 18,952.20

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Solution

The fourth proportional to 47,019.24, 70,529.13 and 18,952.20 is: 28,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,019.24 : 70,529.13 = 18,952.20 : x
  2. Step 2: Convert to fraction form
    47,019.24/70,529.13 = 18,952.20/x
  3. Step 3: Cross multiply
    47,019.24x = 70,529.13 × 18,952.20
  4. Step 4: Simplify right side
    47,019.24x = 1,336,682,177.59
  5. Step 5: Solve for x
    x = 1,336,682,177.59/47,019.24
  6. Step 6: Final answer
    x = 28,428.41

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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.