Home / 39,210.05-58,782-17,006.70

Finding the Fourth Proportional to 39,210.05, 58,782 and 17,006.70

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Solution

The fourth proportional to 39,210.05, 58,782 and 17,006.70 is: 25,495.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.05 : 58,782 = 17,006.70 : x
  2. Step 2: Convert to fraction form
    39,210.05/58,782 = 17,006.70/x
  3. Step 3: Cross multiply
    39,210.05x = 58,782 × 17,006.70
  4. Step 4: Simplify right side
    39,210.05x = 999,687,839.40
  5. Step 5: Solve for x
    x = 999,687,839.40/39,210.05
  6. Step 6: Final answer
    x = 25,495.71

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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.