Home / 53,006.97-79,510.38-13,564.09

Finding the Fourth Proportional to 53,006.97, 79,510.38 and 13,564.09

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Solution

The fourth proportional to 53,006.97, 79,510.38 and 13,564.09 is: 20,346.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,006.97 : 79,510.38 = 13,564.09 : x
  2. Step 2: Convert to fraction form
    53,006.97/79,510.38 = 13,564.09/x
  3. Step 3: Cross multiply
    53,006.97x = 79,510.38 × 13,564.09
  4. Step 4: Simplify right side
    53,006.97x = 1,078,485,950.25
  5. Step 5: Solve for x
    x = 1,078,485,950.25/53,006.97
  6. Step 6: Final answer
    x = 20,346.12

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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.