Home / 51,869.40-71,567.10-29,203.80

Finding the Fourth Proportional to 51,869.40, 71,567.10 and 29,203.80

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Solution

The fourth proportional to 51,869.40, 71,567.10 and 29,203.80 is: 40,294.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,869.40 : 71,567.10 = 29,203.80 : x
  2. Step 2: Convert to fraction form
    51,869.40/71,567.10 = 29,203.80/x
  3. Step 3: Cross multiply
    51,869.40x = 71,567.10 × 29,203.80
  4. Step 4: Simplify right side
    51,869.40x = 2,090,031,274.98
  5. Step 5: Solve for x
    x = 2,090,031,274.98/51,869.40
  6. Step 6: Final answer
    x = 40,294.11

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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.