Home / 39,491.16-59,228.01-11,405.13

Finding the Fourth Proportional to 39,491.16, 59,228.01 and 11,405.13

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Solution

The fourth proportional to 39,491.16, 59,228.01 and 11,405.13 is: 17,105.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.16 : 59,228.01 = 11,405.13 : x
  2. Step 2: Convert to fraction form
    39,491.16/59,228.01 = 11,405.13/x
  3. Step 3: Cross multiply
    39,491.16x = 59,228.01 × 11,405.13
  4. Step 4: Simplify right side
    39,491.16x = 675,503,153.69
  5. Step 5: Solve for x
    x = 675,503,153.69/39,491.16
  6. Step 6: Final answer
    x = 17,105.17

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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.