Home / 51,928.01-77,858.72-21,934.12

Finding the Fourth Proportional to 51,928.01, 77,858.72 and 21,934.12

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Solution

The fourth proportional to 51,928.01, 77,858.72 and 21,934.12 is: 32,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,928.01 : 77,858.72 = 21,934.12 : x
  2. Step 2: Convert to fraction form
    51,928.01/77,858.72 = 21,934.12/x
  3. Step 3: Cross multiply
    51,928.01x = 77,858.72 × 21,934.12
  4. Step 4: Simplify right side
    51,928.01x = 1,707,762,367.71
  5. Step 5: Solve for x
    x = 1,707,762,367.71/51,928.01
  6. Step 6: Final answer
    x = 32,887.12

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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.