Home / 56,883.40-85,327.26-21,826.60

Finding the Fourth Proportional to 56,883.40, 85,327.26 and 21,826.60

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Solution

The fourth proportional to 56,883.40, 85,327.26 and 21,826.60 is: 32,740.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,883.40 : 85,327.26 = 21,826.60 : x
  2. Step 2: Convert to fraction form
    56,883.40/85,327.26 = 21,826.60/x
  3. Step 3: Cross multiply
    56,883.40x = 85,327.26 × 21,826.60
  4. Step 4: Simplify right side
    56,883.40x = 1,862,403,973.12
  5. Step 5: Solve for x
    x = 1,862,403,973.12/56,883.40
  6. Step 6: Final answer
    x = 32,740.73

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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.