Home / 44,073.28-66,111.90-12,485.68

Finding the Fourth Proportional to 44,073.28, 66,111.90 and 12,485.68

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Solution

The fourth proportional to 44,073.28, 66,111.90 and 12,485.68 is: 18,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,073.28 : 66,111.90 = 12,485.68 : x
  2. Step 2: Convert to fraction form
    44,073.28/66,111.90 = 12,485.68/x
  3. Step 3: Cross multiply
    44,073.28x = 66,111.90 × 12,485.68
  4. Step 4: Simplify right side
    44,073.28x = 825,452,027.59
  5. Step 5: Solve for x
    x = 825,452,027.59/44,073.28
  6. Step 6: Final answer
    x = 18,729.08

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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.