Home / 30,902.42-42,645.30-16,755.24

Finding the Fourth Proportional to 30,902.42, 42,645.30 and 16,755.24

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Solution

The fourth proportional to 30,902.42, 42,645.30 and 16,755.24 is: 23,122.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.42 : 42,645.30 = 16,755.24 : x
  2. Step 2: Convert to fraction form
    30,902.42/42,645.30 = 16,755.24/x
  3. Step 3: Cross multiply
    30,902.42x = 42,645.30 × 16,755.24
  4. Step 4: Simplify right side
    30,902.42x = 714,532,236.37
  5. Step 5: Solve for x
    x = 714,532,236.37/30,902.42
  6. Step 6: Final answer
    x = 23,122.21

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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.