Home / 35,377.69-48,828.19-20,280.48

Finding the Fourth Proportional to 35,377.69, 48,828.19 and 20,280.48

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Solution

The fourth proportional to 35,377.69, 48,828.19 and 20,280.48 is: 27,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,377.69 : 48,828.19 = 20,280.48 : x
  2. Step 2: Convert to fraction form
    35,377.69/48,828.19 = 20,280.48/x
  3. Step 3: Cross multiply
    35,377.69x = 48,828.19 × 20,280.48
  4. Step 4: Simplify right side
    35,377.69x = 990,259,130.73
  5. Step 5: Solve for x
    x = 990,259,130.73/35,377.69
  6. Step 6: Final answer
    x = 27,991.06

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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.