Home / 34,374.17-47,422.19-20,940.53

Finding the Fourth Proportional to 34,374.17, 47,422.19 and 20,940.53

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Solution

The fourth proportional to 34,374.17, 47,422.19 and 20,940.53 is: 28,889.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,374.17 : 47,422.19 = 20,940.53 : x
  2. Step 2: Convert to fraction form
    34,374.17/47,422.19 = 20,940.53/x
  3. Step 3: Cross multiply
    34,374.17x = 47,422.19 × 20,940.53
  4. Step 4: Simplify right side
    34,374.17x = 993,045,563.43
  5. Step 5: Solve for x
    x = 993,045,563.43/34,374.17
  6. Step 6: Final answer
    x = 28,889.29

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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.