Home / 64,799.85-89,424.68-36,118.70

Finding the Fourth Proportional to 64,799.85, 89,424.68 and 36,118.70

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Solution

The fourth proportional to 64,799.85, 89,424.68 and 36,118.70 is: 49,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,799.85 : 89,424.68 = 36,118.70 : x
  2. Step 2: Convert to fraction form
    64,799.85/89,424.68 = 36,118.70/x
  3. Step 3: Cross multiply
    64,799.85x = 89,424.68 × 36,118.70
  4. Step 4: Simplify right side
    64,799.85x = 3,229,903,189.52
  5. Step 5: Solve for x
    x = 3,229,903,189.52/64,799.85
  6. Step 6: Final answer
    x = 49,844.30

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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.