Home / 56,888.20-85,343.28-21,825.12

Finding the Fourth Proportional to 56,888.20, 85,343.28 and 21,825.12

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Solution

The fourth proportional to 56,888.20, 85,343.28 and 21,825.12 is: 32,741.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,888.20 : 85,343.28 = 21,825.12 : x
  2. Step 2: Convert to fraction form
    56,888.20/85,343.28 = 21,825.12/x
  3. Step 3: Cross multiply
    56,888.20x = 85,343.28 × 21,825.12
  4. Step 4: Simplify right side
    56,888.20x = 1,862,627,327.19
  5. Step 5: Solve for x
    x = 1,862,627,327.19/56,888.20
  6. Step 6: Final answer
    x = 32,741.89

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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.