Home / 53,159.13-79,714.40-18,089.37

Finding the Fourth Proportional to 53,159.13, 79,714.40 and 18,089.37

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Solution

The fourth proportional to 53,159.13, 79,714.40 and 18,089.37 is: 27,125.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,159.13 : 79,714.40 = 18,089.37 : x
  2. Step 2: Convert to fraction form
    53,159.13/79,714.40 = 18,089.37/x
  3. Step 3: Cross multiply
    53,159.13x = 79,714.40 × 18,089.37
  4. Step 4: Simplify right side
    53,159.13x = 1,441,983,185.48
  5. Step 5: Solve for x
    x = 1,441,983,185.48/53,159.13
  6. Step 6: Final answer
    x = 27,125.79

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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.