Home / 35,965.62-53,948.93-13,780.12

Finding the Fourth Proportional to 35,965.62, 53,948.93 and 13,780.12

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Solution

The fourth proportional to 35,965.62, 53,948.93 and 13,780.12 is: 20,670.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,965.62 : 53,948.93 = 13,780.12 : x
  2. Step 2: Convert to fraction form
    35,965.62/53,948.93 = 13,780.12/x
  3. Step 3: Cross multiply
    35,965.62x = 53,948.93 × 13,780.12
  4. Step 4: Simplify right side
    35,965.62x = 743,422,729.27
  5. Step 5: Solve for x
    x = 743,422,729.27/35,965.62
  6. Step 6: Final answer
    x = 20,670.37

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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.