Home / 32,892.75-45,400.10-20,143.62

Finding the Fourth Proportional to 32,892.75, 45,400.10 and 20,143.62

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Solution

The fourth proportional to 32,892.75, 45,400.10 and 20,143.62 is: 27,803.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,892.75 : 45,400.10 = 20,143.62 : x
  2. Step 2: Convert to fraction form
    32,892.75/45,400.10 = 20,143.62/x
  3. Step 3: Cross multiply
    32,892.75x = 45,400.10 × 20,143.62
  4. Step 4: Simplify right side
    32,892.75x = 914,522,261.64
  5. Step 5: Solve for x
    x = 914,522,261.64/32,892.75
  6. Step 6: Final answer
    x = 27,803.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.