Home / 64,104.32-96,161.28-19,761.92

Finding the Fourth Proportional to 64,104.32, 96,161.28 and 19,761.92

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Solution

The fourth proportional to 64,104.32, 96,161.28 and 19,761.92 is: 29,644.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.32 : 96,161.28 = 19,761.92 : x
  2. Step 2: Convert to fraction form
    64,104.32/96,161.28 = 19,761.92/x
  3. Step 3: Cross multiply
    64,104.32x = 96,161.28 × 19,761.92
  4. Step 4: Simplify right side
    64,104.32x = 1,900,331,522.46
  5. Step 5: Solve for x
    x = 1,900,331,522.46/64,104.32
  6. Step 6: Final answer
    x = 29,644.36

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1.5x scale

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.