Home / 30,575.55-42,193.22-17,148.99

Finding the Fourth Proportional to 30,575.55, 42,193.22 and 17,148.99

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Solution

The fourth proportional to 30,575.55, 42,193.22 and 17,148.99 is: 23,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,575.55 : 42,193.22 = 17,148.99 : x
  2. Step 2: Convert to fraction form
    30,575.55/42,193.22 = 17,148.99/x
  3. Step 3: Cross multiply
    30,575.55x = 42,193.22 × 17,148.99
  4. Step 4: Simplify right side
    30,575.55x = 723,571,022.10
  5. Step 5: Solve for x
    x = 723,571,022.10/30,575.55
  6. Step 6: Final answer
    x = 23,665.02

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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.