Home / 45,854.10-68,813.82-20,897.46

Finding the Fourth Proportional to 45,854.10, 68,813.82 and 20,897.46

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Solution

The fourth proportional to 45,854.10, 68,813.82 and 20,897.46 is: 31,361.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,854.10 : 68,813.82 = 20,897.46 : x
  2. Step 2: Convert to fraction form
    45,854.10/68,813.82 = 20,897.46/x
  3. Step 3: Cross multiply
    45,854.10x = 68,813.82 × 20,897.46
  4. Step 4: Simplify right side
    45,854.10x = 1,438,034,050.90
  5. Step 5: Solve for x
    x = 1,438,034,050.90/45,854.10
  6. Step 6: Final answer
    x = 31,361.08

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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.