Home / 30,525.05-42,120.15-17,096.87

Finding the Fourth Proportional to 30,525.05, 42,120.15 and 17,096.87

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Solution

The fourth proportional to 30,525.05, 42,120.15 and 17,096.87 is: 23,591.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,525.05 : 42,120.15 = 17,096.87 : x
  2. Step 2: Convert to fraction form
    30,525.05/42,120.15 = 17,096.87/x
  3. Step 3: Cross multiply
    30,525.05x = 42,120.15 × 17,096.87
  4. Step 4: Simplify right side
    30,525.05x = 720,122,728.93
  5. Step 5: Solve for x
    x = 720,122,728.93/30,525.05
  6. Step 6: Final answer
    x = 23,591.21

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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.