Home / 52,959.13-79,429.93-17,420.89

Finding the Fourth Proportional to 52,959.13, 79,429.93 and 17,420.89

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Solution

The fourth proportional to 52,959.13, 79,429.93 and 17,420.89 is: 26,128.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,959.13 : 79,429.93 = 17,420.89 : x
  2. Step 2: Convert to fraction form
    52,959.13/79,429.93 = 17,420.89/x
  3. Step 3: Cross multiply
    52,959.13x = 79,429.93 × 17,420.89
  4. Step 4: Simplify right side
    52,959.13x = 1,383,740,073.24
  5. Step 5: Solve for x
    x = 1,383,740,073.24/52,959.13
  6. Step 6: Final answer
    x = 26,128.45

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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.