Home / 64,621.29-96,931.99-20,251.49

Finding the Fourth Proportional to 64,621.29, 96,931.99 and 20,251.49

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Solution

The fourth proportional to 64,621.29, 96,931.99 and 20,251.49 is: 30,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,621.29 : 96,931.99 = 20,251.49 : x
  2. Step 2: Convert to fraction form
    64,621.29/96,931.99 = 20,251.49/x
  3. Step 3: Cross multiply
    64,621.29x = 96,931.99 × 20,251.49
  4. Step 4: Simplify right side
    64,621.29x = 1,963,017,584.68
  5. Step 5: Solve for x
    x = 1,963,017,584.68/64,621.29
  6. Step 6: Final answer
    x = 30,377.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.