Home / 35,864.20-53,801.10-12,497.80

Finding the Fourth Proportional to 35,864.20, 53,801.10 and 12,497.80

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Solution

The fourth proportional to 35,864.20, 53,801.10 and 12,497.80 is: 18,748.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,864.20 : 53,801.10 = 12,497.80 : x
  2. Step 2: Convert to fraction form
    35,864.20/53,801.10 = 12,497.80/x
  3. Step 3: Cross multiply
    35,864.20x = 53,801.10 × 12,497.80
  4. Step 4: Simplify right side
    35,864.20x = 672,395,387.58
  5. Step 5: Solve for x
    x = 672,395,387.58/35,864.20
  6. Step 6: Final answer
    x = 18,748.37

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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.