Home / 51,549.98-77,303.10-18,278.42

Finding the Fourth Proportional to 51,549.98, 77,303.10 and 18,278.42

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Solution

The fourth proportional to 51,549.98, 77,303.10 and 18,278.42 is: 27,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,549.98 : 77,303.10 = 18,278.42 : x
  2. Step 2: Convert to fraction form
    51,549.98/77,303.10 = 18,278.42/x
  3. Step 3: Cross multiply
    51,549.98x = 77,303.10 × 18,278.42
  4. Step 4: Simplify right side
    51,549.98x = 1,412,978,529.10
  5. Step 5: Solve for x
    x = 1,412,978,529.10/51,549.98
  6. Step 6: Final answer
    x = 27,409.88

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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.