Home / 53,002.70-79,454.64-17,917.82

Finding the Fourth Proportional to 53,002.70, 79,454.64 and 17,917.82

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Solution

The fourth proportional to 53,002.70, 79,454.64 and 17,917.82 is: 26,860.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.70 : 79,454.64 = 17,917.82 : x
  2. Step 2: Convert to fraction form
    53,002.70/79,454.64 = 17,917.82/x
  3. Step 3: Cross multiply
    53,002.70x = 79,454.64 × 17,917.82
  4. Step 4: Simplify right side
    53,002.70x = 1,423,653,937.68
  5. Step 5: Solve for x
    x = 1,423,653,937.68/53,002.70
  6. Step 6: Final answer
    x = 26,860.03

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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.