Home / 64,977.96-89,664.56-36,686.44

Finding the Fourth Proportional to 64,977.96, 89,664.56 and 36,686.44

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Solution

The fourth proportional to 64,977.96, 89,664.56 and 36,686.44 is: 50,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.96 : 89,664.56 = 36,686.44 : x
  2. Step 2: Convert to fraction form
    64,977.96/89,664.56 = 36,686.44/x
  3. Step 3: Cross multiply
    64,977.96x = 89,664.56 × 36,686.44
  4. Step 4: Simplify right side
    64,977.96x = 3,289,473,500.57
  5. Step 5: Solve for x
    x = 3,289,473,500.57/64,977.96
  6. Step 6: Final answer
    x = 50,624.45

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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.