Home / 42,664.64-64,005.20-16,367.33

Finding the Fourth Proportional to 42,664.64, 64,005.20 and 16,367.33

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Solution

The fourth proportional to 42,664.64, 64,005.20 and 16,367.33 is: 24,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.64 : 64,005.20 = 16,367.33 : x
  2. Step 2: Convert to fraction form
    42,664.64/64,005.20 = 16,367.33/x
  3. Step 3: Cross multiply
    42,664.64x = 64,005.20 × 16,367.33
  4. Step 4: Simplify right side
    42,664.64x = 1,047,594,431.05
  5. Step 5: Solve for x
    x = 1,047,594,431.05/42,664.64
  6. Step 6: Final answer
    x = 24,554.16

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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.