Home / 39,021.53-58,565.10-36,561.15

Finding the Fourth Proportional to 39,021.53, 58,565.10 and 36,561.15

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Solution

The fourth proportional to 39,021.53, 58,565.10 and 36,561.15 is: 54,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.53 : 58,565.10 = 36,561.15 : x
  2. Step 2: Convert to fraction form
    39,021.53/58,565.10 = 36,561.15/x
  3. Step 3: Cross multiply
    39,021.53x = 58,565.10 × 36,561.15
  4. Step 4: Simplify right side
    39,021.53x = 2,141,207,405.87
  5. Step 5: Solve for x
    x = 2,141,207,405.87/39,021.53
  6. Step 6: Final answer
    x = 54,872.47

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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.