Home / 35,454-48,926.31-19,321.29

Finding the Fourth Proportional to 35,454, 48,926.31 and 19,321.29

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Solution

The fourth proportional to 35,454, 48,926.31 and 19,321.29 is: 26,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,454 : 48,926.31 = 19,321.29 : x
  2. Step 2: Convert to fraction form
    35,454/48,926.31 = 19,321.29/x
  3. Step 3: Cross multiply
    35,454x = 48,926.31 × 19,321.29
  4. Step 4: Simplify right side
    35,454x = 945,319,424.14
  5. Step 5: Solve for x
    x = 945,319,424.14/35,454
  6. Step 6: Final answer
    x = 26,663.27

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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.