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Finding the Fourth Proportional to 64,029.19, 96,058.07 and 19,660.43

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Solution

The fourth proportional to 64,029.19, 96,058.07 and 19,660.43 is: 29,495.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,029.19 : 96,058.07 = 19,660.43 : x
  2. Step 2: Convert to fraction form
    64,029.19/96,058.07 = 19,660.43/x
  3. Step 3: Cross multiply
    64,029.19x = 96,058.07 × 19,660.43
  4. Step 4: Simplify right side
    64,029.19x = 1,888,542,382.58
  5. Step 5: Solve for x
    x = 1,888,542,382.58/64,029.19
  6. Step 6: Final answer
    x = 29,495.02

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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.