Home / 34,416.73-47,495.13-20,086.42

Finding the Fourth Proportional to 34,416.73, 47,495.13 and 20,086.42

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Solution

The fourth proportional to 34,416.73, 47,495.13 and 20,086.42 is: 27,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,416.73 : 47,495.13 = 20,086.42 : x
  2. Step 2: Convert to fraction form
    34,416.73/47,495.13 = 20,086.42/x
  3. Step 3: Cross multiply
    34,416.73x = 47,495.13 × 20,086.42
  4. Step 4: Simplify right side
    34,416.73x = 954,007,129.13
  5. Step 5: Solve for x
    x = 954,007,129.13/34,416.73
  6. Step 6: Final answer
    x = 27,719.28

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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.