Home / 51,715.33-77,607.62-22,140.40

Finding the Fourth Proportional to 51,715.33, 77,607.62 and 22,140.40

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Solution

The fourth proportional to 51,715.33, 77,607.62 and 22,140.40 is: 33,225.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.33 : 77,607.62 = 22,140.40 : x
  2. Step 2: Convert to fraction form
    51,715.33/77,607.62 = 22,140.40/x
  3. Step 3: Cross multiply
    51,715.33x = 77,607.62 × 22,140.40
  4. Step 4: Simplify right side
    51,715.33x = 1,718,263,749.85
  5. Step 5: Solve for x
    x = 1,718,263,749.85/51,715.33
  6. Step 6: Final answer
    x = 33,225.42

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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.