Home / 56,889.46-85,270.60-21,316.56

Finding the Fourth Proportional to 56,889.46, 85,270.60 and 21,316.56

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Solution

The fourth proportional to 56,889.46, 85,270.60 and 21,316.56 is: 31,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,889.46 : 85,270.60 = 21,316.56 : x
  2. Step 2: Convert to fraction form
    56,889.46/85,270.60 = 21,316.56/x
  3. Step 3: Cross multiply
    56,889.46x = 85,270.60 × 21,316.56
  4. Step 4: Simplify right side
    56,889.46x = 1,817,675,861.14
  5. Step 5: Solve for x
    x = 1,817,675,861.14/56,889.46
  6. Step 6: Final answer
    x = 31,951.01

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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.