Home / 40,492.14-60,738.18-20,758.10

Finding the Fourth Proportional to 40,492.14, 60,738.18 and 20,758.10

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Solution

The fourth proportional to 40,492.14, 60,738.18 and 20,758.10 is: 31,137.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,492.14 : 60,738.18 = 20,758.10 : x
  2. Step 2: Convert to fraction form
    40,492.14/60,738.18 = 20,758.10/x
  3. Step 3: Cross multiply
    40,492.14x = 60,738.18 × 20,758.10
  4. Step 4: Simplify right side
    40,492.14x = 1,260,809,214.26
  5. Step 5: Solve for x
    x = 1,260,809,214.26/40,492.14
  6. Step 6: Final answer
    x = 31,137.13

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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.