Home / 35,805.97-53,710.31-13,615.21

Finding the Fourth Proportional to 35,805.97, 53,710.31 and 13,615.21

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Solution

The fourth proportional to 35,805.97, 53,710.31 and 13,615.21 is: 20,423.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,805.97 : 53,710.31 = 13,615.21 : x
  2. Step 2: Convert to fraction form
    35,805.97/53,710.31 = 13,615.21/x
  3. Step 3: Cross multiply
    35,805.97x = 53,710.31 × 13,615.21
  4. Step 4: Simplify right side
    35,805.97x = 731,277,267.07
  5. Step 5: Solve for x
    x = 731,277,267.07/35,805.97
  6. Step 6: Final answer
    x = 20,423.33

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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.