Home / 33,309.93-49,965.72-15,781.53

Finding the Fourth Proportional to 33,309.93, 49,965.72 and 15,781.53

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Solution

The fourth proportional to 33,309.93, 49,965.72 and 15,781.53 is: 23,672.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,309.93 : 49,965.72 = 15,781.53 : x
  2. Step 2: Convert to fraction form
    33,309.93/49,965.72 = 15,781.53/x
  3. Step 3: Cross multiply
    33,309.93x = 49,965.72 × 15,781.53
  4. Step 4: Simplify right side
    33,309.93x = 788,535,509.15
  5. Step 5: Solve for x
    x = 788,535,509.15/33,309.93
  6. Step 6: Final answer
    x = 23,672.69

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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.