Home / 35,346.06-48,772.85-21,912.42

Finding the Fourth Proportional to 35,346.06, 48,772.85 and 21,912.42

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Solution

The fourth proportional to 35,346.06, 48,772.85 and 21,912.42 is: 30,236.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.06 : 48,772.85 = 21,912.42 : x
  2. Step 2: Convert to fraction form
    35,346.06/48,772.85 = 21,912.42/x
  3. Step 3: Cross multiply
    35,346.06x = 48,772.85 × 21,912.42
  4. Step 4: Simplify right side
    35,346.06x = 1,068,731,064.23
  5. Step 5: Solve for x
    x = 1,068,731,064.23/35,346.06
  6. Step 6: Final answer
    x = 30,236.21

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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.