Home / 64,757.12-89,367.58-36,076.76

Finding the Fourth Proportional to 64,757.12, 89,367.58 and 36,076.76

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Solution

The fourth proportional to 64,757.12, 89,367.58 and 36,076.76 is: 49,787.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,757.12 : 89,367.58 = 36,076.76 : x
  2. Step 2: Convert to fraction form
    64,757.12/89,367.58 = 36,076.76/x
  3. Step 3: Cross multiply
    64,757.12x = 89,367.58 × 36,076.76
  4. Step 4: Simplify right side
    64,757.12x = 3,224,092,755.87
  5. Step 5: Solve for x
    x = 3,224,092,755.87/64,757.12
  6. Step 6: Final answer
    x = 49,787.47

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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.