Home / 51,391.92-77,100.08-16,331.60

Finding the Fourth Proportional to 51,391.92, 77,100.08 and 16,331.60

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Solution

The fourth proportional to 51,391.92, 77,100.08 and 16,331.60 is: 24,501.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.92 : 77,100.08 = 16,331.60 : x
  2. Step 2: Convert to fraction form
    51,391.92/77,100.08 = 16,331.60/x
  3. Step 3: Cross multiply
    51,391.92x = 77,100.08 × 16,331.60
  4. Step 4: Simplify right side
    51,391.92x = 1,259,167,666.53
  5. Step 5: Solve for x
    x = 1,259,167,666.53/51,391.92
  6. Step 6: Final answer
    x = 24,501.28

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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.