Home / 35,887.02-49,521.98-20,778.61

Finding the Fourth Proportional to 35,887.02, 49,521.98 and 20,778.61

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Solution

The fourth proportional to 35,887.02, 49,521.98 and 20,778.61 is: 28,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,887.02 : 49,521.98 = 20,778.61 : x
  2. Step 2: Convert to fraction form
    35,887.02/49,521.98 = 20,778.61/x
  3. Step 3: Cross multiply
    35,887.02x = 49,521.98 × 20,778.61
  4. Step 4: Simplify right side
    35,887.02x = 1,028,998,022.70
  5. Step 5: Solve for x
    x = 1,028,998,022.70/35,887.02
  6. Step 6: Final answer
    x = 28,673.26

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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.