Home / 64,532.25-89,015.90-40,617.41

Finding the Fourth Proportional to 64,532.25, 89,015.90 and 40,617.41

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Solution

The fourth proportional to 64,532.25, 89,015.90 and 40,617.41 is: 56,027.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,532.25 : 89,015.90 = 40,617.41 : x
  2. Step 2: Convert to fraction form
    64,532.25/89,015.90 = 40,617.41/x
  3. Step 3: Cross multiply
    64,532.25x = 89,015.90 × 40,617.41
  4. Step 4: Simplify right side
    64,532.25x = 3,615,594,658.65
  5. Step 5: Solve for x
    x = 3,615,594,658.65/64,532.25
  6. Step 6: Final answer
    x = 56,027.72

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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.