Home / 53,414.49-80,140.23-20,144.10

Finding the Fourth Proportional to 53,414.49, 80,140.23 and 20,144.10

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Solution

The fourth proportional to 53,414.49, 80,140.23 and 20,144.10 is: 30,223.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,414.49 : 80,140.23 = 20,144.10 : x
  2. Step 2: Convert to fraction form
    53,414.49/80,140.23 = 20,144.10/x
  3. Step 3: Cross multiply
    53,414.49x = 80,140.23 × 20,144.10
  4. Step 4: Simplify right side
    53,414.49x = 1,614,352,807.14
  5. Step 5: Solve for x
    x = 1,614,352,807.14/53,414.49
  6. Step 6: Final answer
    x = 30,223.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.