Home / 51,542.64-77,331.24-21,947.76

Finding the Fourth Proportional to 51,542.64, 77,331.24 and 21,947.76

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Solution

The fourth proportional to 51,542.64, 77,331.24 and 21,947.76 is: 32,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,542.64 : 77,331.24 = 21,947.76 : x
  2. Step 2: Convert to fraction form
    51,542.64/77,331.24 = 21,947.76/x
  3. Step 3: Cross multiply
    51,542.64x = 77,331.24 × 21,947.76
  4. Step 4: Simplify right side
    51,542.64x = 1,697,247,496.02
  5. Step 5: Solve for x
    x = 1,697,247,496.02/51,542.64
  6. Step 6: Final answer
    x = 32,929.00

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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.