Home / 39,220.56-58,812.39-14,243.13

Finding the Fourth Proportional to 39,220.56, 58,812.39 and 14,243.13

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Solution

The fourth proportional to 39,220.56, 58,812.39 and 14,243.13 is: 21,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,220.56 : 58,812.39 = 14,243.13 : x
  2. Step 2: Convert to fraction form
    39,220.56/58,812.39 = 14,243.13/x
  3. Step 3: Cross multiply
    39,220.56x = 58,812.39 × 14,243.13
  4. Step 4: Simplify right side
    39,220.56x = 837,672,516.38
  5. Step 5: Solve for x
    x = 837,672,516.38/39,220.56
  6. Step 6: Final answer
    x = 21,357.99

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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.