Home / 40,224.78-60,346.93-12,143.16

Finding the Fourth Proportional to 40,224.78, 60,346.93 and 12,143.16

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Solution

The fourth proportional to 40,224.78, 60,346.93 and 12,143.16 is: 18,217.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,224.78 : 60,346.93 = 12,143.16 : x
  2. Step 2: Convert to fraction form
    40,224.78/60,346.93 = 12,143.16/x
  3. Step 3: Cross multiply
    40,224.78x = 60,346.93 × 12,143.16
  4. Step 4: Simplify right side
    40,224.78x = 732,802,396.14
  5. Step 5: Solve for x
    x = 732,802,396.14/40,224.78
  6. Step 6: Final answer
    x = 18,217.68

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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.