Home / 56,427.36-77,837.60-35,218.88

Finding the Fourth Proportional to 56,427.36, 77,837.60 and 35,218.88

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Solution

The fourth proportional to 56,427.36, 77,837.60 and 35,218.88 is: 48,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,427.36 : 77,837.60 = 35,218.88 : x
  2. Step 2: Convert to fraction form
    56,427.36/77,837.60 = 35,218.88/x
  3. Step 3: Cross multiply
    56,427.36x = 77,837.60 × 35,218.88
  4. Step 4: Simplify right side
    56,427.36x = 2,741,353,093.89
  5. Step 5: Solve for x
    x = 2,741,353,093.89/56,427.36
  6. Step 6: Final answer
    x = 48,581.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.