Home / 64,429.20-96,639.75-20,052.54

Finding the Fourth Proportional to 64,429.20, 96,639.75 and 20,052.54

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Solution

The fourth proportional to 64,429.20, 96,639.75 and 20,052.54 is: 30,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,429.20 : 96,639.75 = 20,052.54 : x
  2. Step 2: Convert to fraction form
    64,429.20/96,639.75 = 20,052.54/x
  3. Step 3: Cross multiply
    64,429.20x = 96,639.75 × 20,052.54
  4. Step 4: Simplify right side
    64,429.20x = 1,937,872,452.47
  5. Step 5: Solve for x
    x = 1,937,872,452.47/64,429.20
  6. Step 6: Final answer
    x = 30,077.55

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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.