Home / 56,848.57-85,272.80-19,405.54

Finding the Fourth Proportional to 56,848.57, 85,272.80 and 19,405.54

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Solution

The fourth proportional to 56,848.57, 85,272.80 and 19,405.54 is: 29,108.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,848.57 : 85,272.80 = 19,405.54 : x
  2. Step 2: Convert to fraction form
    56,848.57/85,272.80 = 19,405.54/x
  3. Step 3: Cross multiply
    56,848.57x = 85,272.80 × 19,405.54
  4. Step 4: Simplify right side
    56,848.57x = 1,654,764,207.92
  5. Step 5: Solve for x
    x = 1,654,764,207.92/56,848.57
  6. Step 6: Final answer
    x = 29,108.28

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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.