Home / 35,972.06-49,641.66-20,873.68

Finding the Fourth Proportional to 35,972.06, 49,641.66 and 20,873.68

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Solution

The fourth proportional to 35,972.06, 49,641.66 and 20,873.68 is: 28,805.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,972.06 : 49,641.66 = 20,873.68 : x
  2. Step 2: Convert to fraction form
    35,972.06/49,641.66 = 20,873.68/x
  3. Step 3: Cross multiply
    35,972.06x = 49,641.66 × 20,873.68
  4. Step 4: Simplify right side
    35,972.06x = 1,036,204,001.40
  5. Step 5: Solve for x
    x = 1,036,204,001.40/35,972.06
  6. Step 6: Final answer
    x = 28,805.80

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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.