Home / 34,244.67-47,256.97-20,820.29

Finding the Fourth Proportional to 34,244.67, 47,256.97 and 20,820.29

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Solution

The fourth proportional to 34,244.67, 47,256.97 and 20,820.29 is: 28,731.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,244.67 : 47,256.97 = 20,820.29 : x
  2. Step 2: Convert to fraction form
    34,244.67/47,256.97 = 20,820.29/x
  3. Step 3: Cross multiply
    34,244.67x = 47,256.97 × 20,820.29
  4. Step 4: Simplify right side
    34,244.67x = 983,903,836.44
  5. Step 5: Solve for x
    x = 983,903,836.44/34,244.67
  6. Step 6: Final answer
    x = 28,731.59

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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.