Home / 30,175.22-45,248.20-17,699.32

Finding the Fourth Proportional to 30,175.22, 45,248.20 and 17,699.32

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Solution

The fourth proportional to 30,175.22, 45,248.20 and 17,699.32 is: 26,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,175.22 : 45,248.20 = 17,699.32 : x
  2. Step 2: Convert to fraction form
    30,175.22/45,248.20 = 17,699.32/x
  3. Step 3: Cross multiply
    30,175.22x = 45,248.20 × 17,699.32
  4. Step 4: Simplify right side
    30,175.22x = 800,862,371.22
  5. Step 5: Solve for x
    x = 800,862,371.22/30,175.22
  6. Step 6: Final answer
    x = 26,540.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.