Home / 34,685.56-47,864.41-20,343.43

Finding the Fourth Proportional to 34,685.56, 47,864.41 and 20,343.43

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Solution

The fourth proportional to 34,685.56, 47,864.41 and 20,343.43 is: 28,072.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,685.56 : 47,864.41 = 20,343.43 : x
  2. Step 2: Convert to fraction form
    34,685.56/47,864.41 = 20,343.43/x
  3. Step 3: Cross multiply
    34,685.56x = 47,864.41 × 20,343.43
  4. Step 4: Simplify right side
    34,685.56x = 973,726,274.33
  5. Step 5: Solve for x
    x = 973,726,274.33/34,685.56
  6. Step 6: Final answer
    x = 28,072.96

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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.