Home / 39,992.21-59,948.52-18,894.87

Finding the Fourth Proportional to 39,992.21, 59,948.52 and 18,894.87

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Solution

The fourth proportional to 39,992.21, 59,948.52 and 18,894.87 is: 28,323.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.21 : 59,948.52 = 18,894.87 : x
  2. Step 2: Convert to fraction form
    39,992.21/59,948.52 = 18,894.87/x
  3. Step 3: Cross multiply
    39,992.21x = 59,948.52 × 18,894.87
  4. Step 4: Simplify right side
    39,992.21x = 1,132,719,492.09
  5. Step 5: Solve for x
    x = 1,132,719,492.09/39,992.21
  6. Step 6: Final answer
    x = 28,323.51

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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.