Home / 39,709.89-59,572.17-13,057.38

Finding the Fourth Proportional to 39,709.89, 59,572.17 and 13,057.38

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Solution

The fourth proportional to 39,709.89, 59,572.17 and 13,057.38 is: 19,588.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,709.89 : 59,572.17 = 13,057.38 : x
  2. Step 2: Convert to fraction form
    39,709.89/59,572.17 = 13,057.38/x
  3. Step 3: Cross multiply
    39,709.89x = 59,572.17 × 13,057.38
  4. Step 4: Simplify right side
    39,709.89x = 777,856,461.11
  5. Step 5: Solve for x
    x = 777,856,461.11/39,709.89
  6. Step 6: Final answer
    x = 19,588.48

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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.