Home / 64,722.24-89,311.01-36,039.74

Finding the Fourth Proportional to 64,722.24, 89,311.01 and 36,039.74

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Solution

The fourth proportional to 64,722.24, 89,311.01 and 36,039.74 is: 49,731.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,722.24 : 89,311.01 = 36,039.74 : x
  2. Step 2: Convert to fraction form
    64,722.24/89,311.01 = 36,039.74/x
  3. Step 3: Cross multiply
    64,722.24x = 89,311.01 × 36,039.74
  4. Step 4: Simplify right side
    64,722.24x = 3,218,744,952.78
  5. Step 5: Solve for x
    x = 3,218,744,952.78/64,722.24
  6. Step 6: Final answer
    x = 49,731.67

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1.5x scale

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.