Home / 63,979.61-95,989.40-19,001.22

Finding the Fourth Proportional to 63,979.61, 95,989.40 and 19,001.22

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Solution

The fourth proportional to 63,979.61, 95,989.40 and 19,001.22 is: 28,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,979.61 : 95,989.40 = 19,001.22 : x
  2. Step 2: Convert to fraction form
    63,979.61/95,989.40 = 19,001.22/x
  3. Step 3: Cross multiply
    63,979.61x = 95,989.40 × 19,001.22
  4. Step 4: Simplify right side
    63,979.61x = 1,823,915,612.06
  5. Step 5: Solve for x
    x = 1,823,915,612.06/63,979.61
  6. Step 6: Final answer
    x = 28,507.77

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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.