Home / 64,635.08-89,186.64-36,335.30

Finding the Fourth Proportional to 64,635.08, 89,186.64 and 36,335.30

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Solution

The fourth proportional to 64,635.08, 89,186.64 and 36,335.30 is: 50,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,635.08 : 89,186.64 = 36,335.30 : x
  2. Step 2: Convert to fraction form
    64,635.08/89,186.64 = 36,335.30/x
  3. Step 3: Cross multiply
    64,635.08x = 89,186.64 × 36,335.30
  4. Step 4: Simplify right side
    64,635.08x = 3,240,623,320.39
  5. Step 5: Solve for x
    x = 3,240,623,320.39/64,635.08
  6. Step 6: Final answer
    x = 50,137.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.