Home / 64,131.30-96,218.28-40,411.44

Finding the Fourth Proportional to 64,131.30, 96,218.28 and 40,411.44

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Solution

The fourth proportional to 64,131.30, 96,218.28 and 40,411.44 is: 60,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,131.30 : 96,218.28 = 40,411.44 : x
  2. Step 2: Convert to fraction form
    64,131.30/96,218.28 = 40,411.44/x
  3. Step 3: Cross multiply
    64,131.30x = 96,218.28 × 40,411.44
  4. Step 4: Simplify right side
    64,131.30x = 3,888,319,249.12
  5. Step 5: Solve for x
    x = 3,888,319,249.12/64,131.30
  6. Step 6: Final answer
    x = 60,630.60

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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.