Home / 31,416.84-43,354.20-17,076.60

Finding the Fourth Proportional to 31,416.84, 43,354.20 and 17,076.60

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Solution

The fourth proportional to 31,416.84, 43,354.20 and 17,076.60 is: 23,565.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.84 : 43,354.20 = 17,076.60 : x
  2. Step 2: Convert to fraction form
    31,416.84/43,354.20 = 17,076.60/x
  3. Step 3: Cross multiply
    31,416.84x = 43,354.20 × 17,076.60
  4. Step 4: Simplify right side
    31,416.84x = 740,342,331.72
  5. Step 5: Solve for x
    x = 740,342,331.72/31,416.84
  6. Step 6: Final answer
    x = 23,565.14

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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.