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Finding the Fourth Proportional to 64,479.32, 96,683.54 and 22,355.64

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Solution

The fourth proportional to 64,479.32, 96,683.54 and 22,355.64 is: 33,521.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.32 : 96,683.54 = 22,355.64 : x
  2. Step 2: Convert to fraction form
    64,479.32/96,683.54 = 22,355.64/x
  3. Step 3: Cross multiply
    64,479.32x = 96,683.54 × 22,355.64
  4. Step 4: Simplify right side
    64,479.32x = 2,161,422,302.39
  5. Step 5: Solve for x
    x = 2,161,422,302.39/64,479.32
  6. Step 6: Final answer
    x = 33,521.17

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1.5x scale

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.