Home / 35,571.32-49,084.20-21,228.50

Finding the Fourth Proportional to 35,571.32, 49,084.20 and 21,228.50

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Solution

The fourth proportional to 35,571.32, 49,084.20 and 21,228.50 is: 29,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,571.32 : 49,084.20 = 21,228.50 : x
  2. Step 2: Convert to fraction form
    35,571.32/49,084.20 = 21,228.50/x
  3. Step 3: Cross multiply
    35,571.32x = 49,084.20 × 21,228.50
  4. Step 4: Simplify right side
    35,571.32x = 1,041,983,939.70
  5. Step 5: Solve for x
    x = 1,041,983,939.70/35,571.32
  6. Step 6: Final answer
    x = 29,292.81

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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.