Home / 35,981.40-54,043.24-21,778.58

Finding the Fourth Proportional to 35,981.40, 54,043.24 and 21,778.58

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Solution

The fourth proportional to 35,981.40, 54,043.24 and 21,778.58 is: 32,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,981.40 : 54,043.24 = 21,778.58 : x
  2. Step 2: Convert to fraction form
    35,981.40/54,043.24 = 21,778.58/x
  3. Step 3: Cross multiply
    35,981.40x = 54,043.24 × 21,778.58
  4. Step 4: Simplify right side
    35,981.40x = 1,176,985,025.80
  5. Step 5: Solve for x
    x = 1,176,985,025.80/35,981.40
  6. Step 6: Final answer
    x = 32,710.93

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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.