Home / 35,131.57-48,480.35-20,029.10

Finding the Fourth Proportional to 35,131.57, 48,480.35 and 20,029.10

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Solution

The fourth proportional to 35,131.57, 48,480.35 and 20,029.10 is: 27,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,131.57 : 48,480.35 = 20,029.10 : x
  2. Step 2: Convert to fraction form
    35,131.57/48,480.35 = 20,029.10/x
  3. Step 3: Cross multiply
    35,131.57x = 48,480.35 × 20,029.10
  4. Step 4: Simplify right side
    35,131.57x = 971,017,628.32
  5. Step 5: Solve for x
    x = 971,017,628.32/35,131.57
  6. Step 6: Final answer
    x = 27,639.46

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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.