Home / 39,389.90-58,990.89-22,715.06

Finding the Fourth Proportional to 39,389.90, 58,990.89 and 22,715.06

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Solution

The fourth proportional to 39,389.90, 58,990.89 and 22,715.06 is: 34,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,389.90 : 58,990.89 = 22,715.06 : x
  2. Step 2: Convert to fraction form
    39,389.90/58,990.89 = 22,715.06/x
  3. Step 3: Cross multiply
    39,389.90x = 58,990.89 × 22,715.06
  4. Step 4: Simplify right side
    39,389.90x = 1,339,981,605.80
  5. Step 5: Solve for x
    x = 1,339,981,605.80/39,389.90
  6. Step 6: Final answer
    x = 34,018.41

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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.