Home / 40,145.92-60,219.87-13,492.31

Finding the Fourth Proportional to 40,145.92, 60,219.87 and 13,492.31

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Solution

The fourth proportional to 40,145.92, 60,219.87 and 13,492.31 is: 20,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,145.92 : 60,219.87 = 13,492.31 : x
  2. Step 2: Convert to fraction form
    40,145.92/60,219.87 = 13,492.31/x
  3. Step 3: Cross multiply
    40,145.92x = 60,219.87 × 13,492.31
  4. Step 4: Simplify right side
    40,145.92x = 812,504,802.50
  5. Step 5: Solve for x
    x = 812,504,802.50/40,145.92
  6. Step 6: Final answer
    x = 20,238.79

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1.5x scale

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.