Home / 51,057.55-76,586.64-17,754.31

Finding the Fourth Proportional to 51,057.55, 76,586.64 and 17,754.31

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Solution

The fourth proportional to 51,057.55, 76,586.64 and 17,754.31 is: 26,631.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,057.55 : 76,586.64 = 17,754.31 : x
  2. Step 2: Convert to fraction form
    51,057.55/76,586.64 = 17,754.31/x
  3. Step 3: Cross multiply
    51,057.55x = 76,586.64 × 17,754.31
  4. Step 4: Simplify right side
    51,057.55x = 1,359,742,948.42
  5. Step 5: Solve for x
    x = 1,359,742,948.42/51,057.55
  6. Step 6: Final answer
    x = 26,631.57

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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.