Home / 35,817.76-49,425.61-20,711.40

Finding the Fourth Proportional to 35,817.76, 49,425.61 and 20,711.40

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Solution

The fourth proportional to 35,817.76, 49,425.61 and 20,711.40 is: 28,580.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,817.76 : 49,425.61 = 20,711.40 : x
  2. Step 2: Convert to fraction form
    35,817.76/49,425.61 = 20,711.40/x
  3. Step 3: Cross multiply
    35,817.76x = 49,425.61 × 20,711.40
  4. Step 4: Simplify right side
    35,817.76x = 1,023,673,578.95
  5. Step 5: Solve for x
    x = 1,023,673,578.95/35,817.76
  6. Step 6: Final answer
    x = 28,580.06

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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.