Home / 51,633.39-77,396.81-21,665.04

Finding the Fourth Proportional to 51,633.39, 77,396.81 and 21,665.04

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Solution

The fourth proportional to 51,633.39, 77,396.81 and 21,665.04 is: 32,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,633.39 : 77,396.81 = 21,665.04 : x
  2. Step 2: Convert to fraction form
    51,633.39/77,396.81 = 21,665.04/x
  3. Step 3: Cross multiply
    51,633.39x = 77,396.81 × 21,665.04
  4. Step 4: Simplify right side
    51,633.39x = 1,676,804,646.89
  5. Step 5: Solve for x
    x = 1,676,804,646.89/51,633.39
  6. Step 6: Final answer
    x = 32,475.20

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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.