Home / 64,903.28-89,566.60-36,222.94

Finding the Fourth Proportional to 64,903.28, 89,566.60 and 36,222.94

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Solution

The fourth proportional to 64,903.28, 89,566.60 and 36,222.94 is: 49,987.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,903.28 : 89,566.60 = 36,222.94 : x
  2. Step 2: Convert to fraction form
    64,903.28/89,566.60 = 36,222.94/x
  3. Step 3: Cross multiply
    64,903.28x = 89,566.60 × 36,222.94
  4. Step 4: Simplify right side
    64,903.28x = 3,244,365,489.72
  5. Step 5: Solve for x
    x = 3,244,365,489.72/64,903.28
  6. Step 6: Final answer
    x = 49,987.70

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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.