Home / 31,207.68-43,057.92-18,627.84

Finding the Fourth Proportional to 31,207.68, 43,057.92 and 18,627.84

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Solution

The fourth proportional to 31,207.68, 43,057.92 and 18,627.84 is: 25,701.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.68 : 43,057.92 = 18,627.84 : x
  2. Step 2: Convert to fraction form
    31,207.68/43,057.92 = 18,627.84/x
  3. Step 3: Cross multiply
    31,207.68x = 43,057.92 × 18,627.84
  4. Step 4: Simplify right side
    31,207.68x = 802,076,044.49
  5. Step 5: Solve for x
    x = 802,076,044.49/31,207.68
  6. Step 6: Final answer
    x = 25,701.24

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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.