Home / 39,135.84-58,703.04-15,761.70

Finding the Fourth Proportional to 39,135.84, 58,703.04 and 15,761.70

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Solution

The fourth proportional to 39,135.84, 58,703.04 and 15,761.70 is: 23,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,135.84 : 58,703.04 = 15,761.70 : x
  2. Step 2: Convert to fraction form
    39,135.84/58,703.04 = 15,761.70/x
  3. Step 3: Cross multiply
    39,135.84x = 58,703.04 × 15,761.70
  4. Step 4: Simplify right side
    39,135.84x = 925,259,705.57
  5. Step 5: Solve for x
    x = 925,259,705.57/39,135.84
  6. Step 6: Final answer
    x = 23,642.26

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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.