Home / 40,140.21-60,192.86-21,416.07

Finding the Fourth Proportional to 40,140.21, 60,192.86 and 21,416.07

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Solution

The fourth proportional to 40,140.21, 60,192.86 and 21,416.07 is: 32,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,140.21 : 60,192.86 = 21,416.07 : x
  2. Step 2: Convert to fraction form
    40,140.21/60,192.86 = 21,416.07/x
  3. Step 3: Cross multiply
    40,140.21x = 60,192.86 × 21,416.07
  4. Step 4: Simplify right side
    40,140.21x = 1,289,094,396.18
  5. Step 5: Solve for x
    x = 1,289,094,396.18/40,140.21
  6. Step 6: Final answer
    x = 32,114.79

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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.