Home / 64,142.32-96,226.08-19,761.52

Finding the Fourth Proportional to 64,142.32, 96,226.08 and 19,761.52

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Solution

The fourth proportional to 64,142.32, 96,226.08 and 19,761.52 is: 29,646.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.32 : 96,226.08 = 19,761.52 : x
  2. Step 2: Convert to fraction form
    64,142.32/96,226.08 = 19,761.52/x
  3. Step 3: Cross multiply
    64,142.32x = 96,226.08 × 19,761.52
  4. Step 4: Simplify right side
    64,142.32x = 1,901,573,604.44
  5. Step 5: Solve for x
    x = 1,901,573,604.44/64,142.32
  6. Step 6: Final answer
    x = 29,646.16

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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.