Home / 35,833.21-49,441.80-21,685.75

Finding the Fourth Proportional to 35,833.21, 49,441.80 and 21,685.75

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Solution

The fourth proportional to 35,833.21, 49,441.80 and 21,685.75 is: 29,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,833.21 : 49,441.80 = 21,685.75 : x
  2. Step 2: Convert to fraction form
    35,833.21/49,441.80 = 21,685.75/x
  3. Step 3: Cross multiply
    35,833.21x = 49,441.80 × 21,685.75
  4. Step 4: Simplify right side
    35,833.21x = 1,072,182,514.35
  5. Step 5: Solve for x
    x = 1,072,182,514.35/35,833.21
  6. Step 6: Final answer
    x = 29,921.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.