Home / 39,418.31-59,137.47-11,337.77

Finding the Fourth Proportional to 39,418.31, 59,137.47 and 11,337.77

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Solution

The fourth proportional to 39,418.31, 59,137.47 and 11,337.77 is: 17,009.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.31 : 59,137.47 = 11,337.77 : x
  2. Step 2: Convert to fraction form
    39,418.31/59,137.47 = 11,337.77/x
  3. Step 3: Cross multiply
    39,418.31x = 59,137.47 × 11,337.77
  4. Step 4: Simplify right side
    39,418.31x = 670,486,737.55
  5. Step 5: Solve for x
    x = 670,486,737.55/39,418.31
  6. Step 6: Final answer
    x = 17,009.53

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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.