Home / 35,129.40-48,479.82-20,024.34

Finding the Fourth Proportional to 35,129.40, 48,479.82 and 20,024.34

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Solution

The fourth proportional to 35,129.40, 48,479.82 and 20,024.34 is: 27,634.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,129.40 : 48,479.82 = 20,024.34 : x
  2. Step 2: Convert to fraction form
    35,129.40/48,479.82 = 20,024.34/x
  3. Step 3: Cross multiply
    35,129.40x = 48,479.82 × 20,024.34
  4. Step 4: Simplify right side
    35,129.40x = 970,776,398.82
  5. Step 5: Solve for x
    x = 970,776,398.82/35,129.40
  6. Step 6: Final answer
    x = 27,634.30

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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.