Home / 34,689.36-47,871.40-18,773.96

Finding the Fourth Proportional to 34,689.36, 47,871.40 and 18,773.96

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Solution

The fourth proportional to 34,689.36, 47,871.40 and 18,773.96 is: 25,908.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,689.36 : 47,871.40 = 18,773.96 : x
  2. Step 2: Convert to fraction form
    34,689.36/47,871.40 = 18,773.96/x
  3. Step 3: Cross multiply
    34,689.36x = 47,871.40 × 18,773.96
  4. Step 4: Simplify right side
    34,689.36x = 898,735,748.74
  5. Step 5: Solve for x
    x = 898,735,748.74/34,689.36
  6. Step 6: Final answer
    x = 25,908.11

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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.