Home / 34,726.03-47,919.08-19,620

Finding the Fourth Proportional to 34,726.03, 47,919.08 and 19,620

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Solution

The fourth proportional to 34,726.03, 47,919.08 and 19,620 is: 27,073.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,726.03 : 47,919.08 = 19,620 : x
  2. Step 2: Convert to fraction form
    34,726.03/47,919.08 = 19,620/x
  3. Step 3: Cross multiply
    34,726.03x = 47,919.08 × 19,620
  4. Step 4: Simplify right side
    34,726.03x = 940,172,251.50
  5. Step 5: Solve for x
    x = 940,172,251.50/34,726.03
  6. Step 6: Final answer
    x = 27,073.99

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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.