Home / 64,270.34-96,410.10-19,891.40

Finding the Fourth Proportional to 64,270.34, 96,410.10 and 19,891.40

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Solution

The fourth proportional to 64,270.34, 96,410.10 and 19,891.40 is: 29,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.34 : 96,410.10 = 19,891.40 : x
  2. Step 2: Convert to fraction form
    64,270.34/96,410.10 = 19,891.40/x
  3. Step 3: Cross multiply
    64,270.34x = 96,410.10 × 19,891.40
  4. Step 4: Simplify right side
    64,270.34x = 1,917,731,863.14
  5. Step 5: Solve for x
    x = 1,917,731,863.14/64,270.34
  6. Step 6: Final answer
    x = 29,838.52

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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.