Home / 51,071.40-76,554.27-19,472.96

Finding the Fourth Proportional to 51,071.40, 76,554.27 and 19,472.96

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Solution

The fourth proportional to 51,071.40, 76,554.27 and 19,472.96 is: 29,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.40 : 76,554.27 = 19,472.96 : x
  2. Step 2: Convert to fraction form
    51,071.40/76,554.27 = 19,472.96/x
  3. Step 3: Cross multiply
    51,071.40x = 76,554.27 × 19,472.96
  4. Step 4: Simplify right side
    51,071.40x = 1,490,738,140.17
  5. Step 5: Solve for x
    x = 1,490,738,140.17/51,071.40
  6. Step 6: Final answer
    x = 29,189.29

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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.