Home / 39,222.90-58,834.26-9,640.80

Finding the Fourth Proportional to 39,222.90, 58,834.26 and 9,640.80

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Solution

The fourth proportional to 39,222.90, 58,834.26 and 9,640.80 is: 14,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,222.90 : 58,834.26 = 9,640.80 : x
  2. Step 2: Convert to fraction form
    39,222.90/58,834.26 = 9,640.80/x
  3. Step 3: Cross multiply
    39,222.90x = 58,834.26 × 9,640.80
  4. Step 4: Simplify right side
    39,222.90x = 567,209,333.81
  5. Step 5: Solve for x
    x = 567,209,333.81/39,222.90
  6. Step 6: Final answer
    x = 14,461.18

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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.