Home / 61,488.72-92,213.64-19,926

Finding the Fourth Proportional to 61,488.72, 92,213.64 and 19,926

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Solution

The fourth proportional to 61,488.72, 92,213.64 and 19,926 is: 29,882.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,488.72 : 92,213.64 = 19,926 : x
  2. Step 2: Convert to fraction form
    61,488.72/92,213.64 = 19,926/x
  3. Step 3: Cross multiply
    61,488.72x = 92,213.64 × 19,926
  4. Step 4: Simplify right side
    61,488.72x = 1,837,448,990.64
  5. Step 5: Solve for x
    x = 1,837,448,990.64/61,488.72
  6. Step 6: Final answer
    x = 29,882.70

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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.