Home / 51,989.10-71,747.13-29,328.94

Finding the Fourth Proportional to 51,989.10, 71,747.13 and 29,328.94

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Solution

The fourth proportional to 51,989.10, 71,747.13 and 29,328.94 is: 40,475.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,989.10 : 71,747.13 = 29,328.94 : x
  2. Step 2: Convert to fraction form
    51,989.10/71,747.13 = 29,328.94/x
  3. Step 3: Cross multiply
    51,989.10x = 71,747.13 × 29,328.94
  4. Step 4: Simplify right side
    51,989.10x = 2,104,267,270.94
  5. Step 5: Solve for x
    x = 2,104,267,270.94/51,989.10
  6. Step 6: Final answer
    x = 40,475.16

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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.