Home / 39,530.47-59,315.18-18,471.96

Finding the Fourth Proportional to 39,530.47, 59,315.18 and 18,471.96

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Solution

The fourth proportional to 39,530.47, 59,315.18 and 18,471.96 is: 27,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,530.47 : 59,315.18 = 18,471.96 : x
  2. Step 2: Convert to fraction form
    39,530.47/59,315.18 = 18,471.96/x
  3. Step 3: Cross multiply
    39,530.47x = 59,315.18 × 18,471.96
  4. Step 4: Simplify right side
    39,530.47x = 1,095,667,539.99
  5. Step 5: Solve for x
    x = 1,095,667,539.99/39,530.47
  6. Step 6: Final answer
    x = 27,717.04

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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.