Home / 53,046.18-79,520.04-17,961.30

Finding the Fourth Proportional to 53,046.18, 79,520.04 and 17,961.30

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Solution

The fourth proportional to 53,046.18, 79,520.04 and 17,961.30 is: 26,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,046.18 : 79,520.04 = 17,961.30 : x
  2. Step 2: Convert to fraction form
    53,046.18/79,520.04 = 17,961.30/x
  3. Step 3: Cross multiply
    53,046.18x = 79,520.04 × 17,961.30
  4. Step 4: Simplify right side
    53,046.18x = 1,428,283,294.45
  5. Step 5: Solve for x
    x = 1,428,283,294.45/53,046.18
  6. Step 6: Final answer
    x = 26,925.28

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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.