Home / 44,142.32-66,221.64-14,562.20

Finding the Fourth Proportional to 44,142.32, 66,221.64 and 14,562.20

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Solution

The fourth proportional to 44,142.32, 66,221.64 and 14,562.20 is: 21,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,142.32 : 66,221.64 = 14,562.20 : x
  2. Step 2: Convert to fraction form
    44,142.32/66,221.64 = 14,562.20/x
  3. Step 3: Cross multiply
    44,142.32x = 66,221.64 × 14,562.20
  4. Step 4: Simplify right side
    44,142.32x = 964,332,434.90
  5. Step 5: Solve for x
    x = 964,332,434.90/44,142.32
  6. Step 6: Final answer
    x = 21,845.99

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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.