Home / 64,487.26-96,717.93-20,106.82

Finding the Fourth Proportional to 64,487.26, 96,717.93 and 20,106.82

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Solution

The fourth proportional to 64,487.26, 96,717.93 and 20,106.82 is: 30,156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,487.26 : 96,717.93 = 20,106.82 : x
  2. Step 2: Convert to fraction form
    64,487.26/96,717.93 = 20,106.82/x
  3. Step 3: Cross multiply
    64,487.26x = 96,717.93 × 20,106.82
  4. Step 4: Simplify right side
    64,487.26x = 1,944,690,009.28
  5. Step 5: Solve for x
    x = 1,944,690,009.28/64,487.26
  6. Step 6: Final answer
    x = 30,156.19

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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.