Home / 35,977.14-53,981.22-19,317.70

Finding the Fourth Proportional to 35,977.14, 53,981.22 and 19,317.70

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Solution

The fourth proportional to 35,977.14, 53,981.22 and 19,317.70 is: 28,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.14 : 53,981.22 = 19,317.70 : x
  2. Step 2: Convert to fraction form
    35,977.14/53,981.22 = 19,317.70/x
  3. Step 3: Cross multiply
    35,977.14x = 53,981.22 × 19,317.70
  4. Step 4: Simplify right side
    35,977.14x = 1,042,793,013.59
  5. Step 5: Solve for x
    x = 1,042,793,013.59/35,977.14
  6. Step 6: Final answer
    x = 28,984.88

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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.