Home / 35,121.40-48,467.36-19,205.71

Finding the Fourth Proportional to 35,121.40, 48,467.36 and 19,205.71

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Solution

The fourth proportional to 35,121.40, 48,467.36 and 19,205.71 is: 26,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,121.40 : 48,467.36 = 19,205.71 : x
  2. Step 2: Convert to fraction form
    35,121.40/48,467.36 = 19,205.71/x
  3. Step 3: Cross multiply
    35,121.40x = 48,467.36 × 19,205.71
  4. Step 4: Simplify right side
    35,121.40x = 930,849,987.47
  5. Step 5: Solve for x
    x = 930,849,987.47/35,121.40
  6. Step 6: Final answer
    x = 26,503.79

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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.