Home / 30,560.10-42,174.96-17,132.24

Finding the Fourth Proportional to 30,560.10, 42,174.96 and 17,132.24

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Solution

The fourth proportional to 30,560.10, 42,174.96 and 17,132.24 is: 23,643.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,560.10 : 42,174.96 = 17,132.24 : x
  2. Step 2: Convert to fraction form
    30,560.10/42,174.96 = 17,132.24/x
  3. Step 3: Cross multiply
    30,560.10x = 42,174.96 × 17,132.24
  4. Step 4: Simplify right side
    30,560.10x = 722,551,536.71
  5. Step 5: Solve for x
    x = 722,551,536.71/30,560.10
  6. Step 6: Final answer
    x = 23,643.62

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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.