Home / 64,639.10-89,195.15-35,954.10

Finding the Fourth Proportional to 64,639.10, 89,195.15 and 35,954.10

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Solution

The fourth proportional to 64,639.10, 89,195.15 and 35,954.10 is: 49,612.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,639.10 : 89,195.15 = 35,954.10 : x
  2. Step 2: Convert to fraction form
    64,639.10/89,195.15 = 35,954.10/x
  3. Step 3: Cross multiply
    64,639.10x = 89,195.15 × 35,954.10
  4. Step 4: Simplify right side
    64,639.10x = 3,206,931,342.62
  5. Step 5: Solve for x
    x = 3,206,931,342.62/64,639.10
  6. Step 6: Final answer
    x = 49,612.87

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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.