Home / 30,849.99-42,572.65-17,420.46

Finding the Fourth Proportional to 30,849.99, 42,572.65 and 17,420.46

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Solution

The fourth proportional to 30,849.99, 42,572.65 and 17,420.46 is: 24,040.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,849.99 : 42,572.65 = 17,420.46 : x
  2. Step 2: Convert to fraction form
    30,849.99/42,572.65 = 17,420.46/x
  3. Step 3: Cross multiply
    30,849.99x = 42,572.65 × 17,420.46
  4. Step 4: Simplify right side
    30,849.99x = 741,635,146.42
  5. Step 5: Solve for x
    x = 741,635,146.42/30,849.99
  6. Step 6: Final answer
    x = 24,040.04

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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.