Home / 30,581.22-42,199.59-17,150.64

Finding the Fourth Proportional to 30,581.22, 42,199.59 and 17,150.64

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Solution

The fourth proportional to 30,581.22, 42,199.59 and 17,150.64 is: 23,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.22 : 42,199.59 = 17,150.64 : x
  2. Step 2: Convert to fraction form
    30,581.22/42,199.59 = 17,150.64/x
  3. Step 3: Cross multiply
    30,581.22x = 42,199.59 × 17,150.64
  4. Step 4: Simplify right side
    30,581.22x = 723,749,976.24
  5. Step 5: Solve for x
    x = 723,749,976.24/30,581.22
  6. Step 6: Final answer
    x = 23,666.48

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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.