Home / 39,938.17-59,919.41-18,894.37

Finding the Fourth Proportional to 39,938.17, 59,919.41 and 18,894.37

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Solution

The fourth proportional to 39,938.17, 59,919.41 and 18,894.37 is: 28,347.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,938.17 : 59,919.41 = 18,894.37 : x
  2. Step 2: Convert to fraction form
    39,938.17/59,919.41 = 18,894.37/x
  3. Step 3: Cross multiply
    39,938.17x = 59,919.41 × 18,894.37
  4. Step 4: Simplify right side
    39,938.17x = 1,132,139,408.25
  5. Step 5: Solve for x
    x = 1,132,139,408.25/39,938.17
  6. Step 6: Final answer
    x = 28,347.30

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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.