Home / 53,005.97-79,508.88-13,563.09

Finding the Fourth Proportional to 53,005.97, 79,508.88 and 13,563.09

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Solution

The fourth proportional to 53,005.97, 79,508.88 and 13,563.09 is: 20,344.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,005.97 : 79,508.88 = 13,563.09 : x
  2. Step 2: Convert to fraction form
    53,005.97/79,508.88 = 13,563.09/x
  3. Step 3: Cross multiply
    53,005.97x = 79,508.88 × 13,563.09
  4. Step 4: Simplify right side
    53,005.97x = 1,078,386,095.24
  5. Step 5: Solve for x
    x = 1,078,386,095.24/53,005.97
  6. Step 6: Final answer
    x = 20,344.62

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1.5x scale

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.