Home / 51,816.50-77,749.35-22,242.80

Finding the Fourth Proportional to 51,816.50, 77,749.35 and 22,242.80

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Solution

The fourth proportional to 51,816.50, 77,749.35 and 22,242.80 is: 33,374.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,816.50 : 77,749.35 = 22,242.80 : x
  2. Step 2: Convert to fraction form
    51,816.50/77,749.35 = 22,242.80/x
  3. Step 3: Cross multiply
    51,816.50x = 77,749.35 × 22,242.80
  4. Step 4: Simplify right side
    51,816.50x = 1,729,363,242.18
  5. Step 5: Solve for x
    x = 1,729,363,242.18/51,816.50
  6. Step 6: Final answer
    x = 33,374.76

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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.