Home / 49,667.80-74,459.70-21,566.64

Finding the Fourth Proportional to 49,667.80, 74,459.70 and 21,566.64

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Solution

The fourth proportional to 49,667.80, 74,459.70 and 21,566.64 is: 32,331.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,667.80 : 74,459.70 = 21,566.64 : x
  2. Step 2: Convert to fraction form
    49,667.80/74,459.70 = 21,566.64/x
  3. Step 3: Cross multiply
    49,667.80x = 74,459.70 × 21,566.64
  4. Step 4: Simplify right side
    49,667.80x = 1,605,845,544.41
  5. Step 5: Solve for x
    x = 1,605,845,544.41/49,667.80
  6. Step 6: Final answer
    x = 32,331.72

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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.