Home / 35,680.30-49,228.76-20,571.77

Finding the Fourth Proportional to 35,680.30, 49,228.76 and 20,571.77

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Solution

The fourth proportional to 35,680.30, 49,228.76 and 20,571.77 is: 28,383.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,680.30 : 49,228.76 = 20,571.77 : x
  2. Step 2: Convert to fraction form
    35,680.30/49,228.76 = 20,571.77/x
  3. Step 3: Cross multiply
    35,680.30x = 49,228.76 × 20,571.77
  4. Step 4: Simplify right side
    35,680.30x = 1,012,722,902.61
  5. Step 5: Solve for x
    x = 1,012,722,902.61/35,680.30
  6. Step 6: Final answer
    x = 28,383.25

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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.