Home / 64,624.42-89,189.68-36,329.50

Finding the Fourth Proportional to 64,624.42, 89,189.68 and 36,329.50

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Solution

The fourth proportional to 64,624.42, 89,189.68 and 36,329.50 is: 50,139.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,624.42 : 89,189.68 = 36,329.50 : x
  2. Step 2: Convert to fraction form
    64,624.42/89,189.68 = 36,329.50/x
  3. Step 3: Cross multiply
    64,624.42x = 89,189.68 × 36,329.50
  4. Step 4: Simplify right side
    64,624.42x = 3,240,216,479.56
  5. Step 5: Solve for x
    x = 3,240,216,479.56/64,624.42
  6. Step 6: Final answer
    x = 50,139.20

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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.