Home / 35,229.90-48,617.67-20,124.57

Finding the Fourth Proportional to 35,229.90, 48,617.67 and 20,124.57

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Solution

The fourth proportional to 35,229.90, 48,617.67 and 20,124.57 is: 27,772.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,229.90 : 48,617.67 = 20,124.57 : x
  2. Step 2: Convert to fraction form
    35,229.90/48,617.67 = 20,124.57/x
  3. Step 3: Cross multiply
    35,229.90x = 48,617.67 × 20,124.57
  4. Step 4: Simplify right side
    35,229.90x = 978,409,703.15
  5. Step 5: Solve for x
    x = 978,409,703.15/35,229.90
  6. Step 6: Final answer
    x = 27,772.14

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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.