Home / 54,554.98-75,279.74-30,681.14

Finding the Fourth Proportional to 54,554.98, 75,279.74 and 30,681.14

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Solution

The fourth proportional to 54,554.98, 75,279.74 and 30,681.14 is: 42,336.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,554.98 : 75,279.74 = 30,681.14 : x
  2. Step 2: Convert to fraction form
    54,554.98/75,279.74 = 30,681.14/x
  3. Step 3: Cross multiply
    54,554.98x = 75,279.74 × 30,681.14
  4. Step 4: Simplify right side
    54,554.98x = 2,309,667,865.70
  5. Step 5: Solve for x
    x = 2,309,667,865.70/54,554.98
  6. Step 6: Final answer
    x = 42,336.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.