Home / 39,220.69-58,831.20-9,638.53

Finding the Fourth Proportional to 39,220.69, 58,831.20 and 9,638.53

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Solution

The fourth proportional to 39,220.69, 58,831.20 and 9,638.53 is: 14,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.69 : 58,831.20 = 9,638.53 : x
  2. Step 2: Convert to fraction form
    39,220.69/58,831.20 = 9,638.53/x
  3. Step 3: Cross multiply
    39,220.69x = 58,831.20 × 9,638.53
  4. Step 4: Simplify right side
    39,220.69x = 567,046,286.14
  5. Step 5: Solve for x
    x = 567,046,286.14/39,220.69
  6. Step 6: Final answer
    x = 14,457.84

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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.