Home / 51,391.44-77,092.28-13,952.12

Finding the Fourth Proportional to 51,391.44, 77,092.28 and 13,952.12

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Solution

The fourth proportional to 51,391.44, 77,092.28 and 13,952.12 is: 20,929.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.44 : 77,092.28 = 13,952.12 : x
  2. Step 2: Convert to fraction form
    51,391.44/77,092.28 = 13,952.12/x
  3. Step 3: Cross multiply
    51,391.44x = 77,092.28 × 13,952.12
  4. Step 4: Simplify right side
    51,391.44x = 1,075,600,741.63
  5. Step 5: Solve for x
    x = 1,075,600,741.63/51,391.44
  6. Step 6: Final answer
    x = 20,929.57

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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.