Home / 52,782.21-79,165.08-19,494.72

Finding the Fourth Proportional to 52,782.21, 79,165.08 and 19,494.72

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Solution

The fourth proportional to 52,782.21, 79,165.08 and 19,494.72 is: 29,239.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.21 : 79,165.08 = 19,494.72 : x
  2. Step 2: Convert to fraction form
    52,782.21/79,165.08 = 19,494.72/x
  3. Step 3: Cross multiply
    52,782.21x = 79,165.08 × 19,494.72
  4. Step 4: Simplify right side
    52,782.21x = 1,543,301,068.38
  5. Step 5: Solve for x
    x = 1,543,301,068.38/52,782.21
  6. Step 6: Final answer
    x = 29,239.04

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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.