Home / 35,257.16-48,652.98-20,151.20

Finding the Fourth Proportional to 35,257.16, 48,652.98 and 20,151.20

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Solution

The fourth proportional to 35,257.16, 48,652.98 and 20,151.20 is: 27,807.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,257.16 : 48,652.98 = 20,151.20 : x
  2. Step 2: Convert to fraction form
    35,257.16/48,652.98 = 20,151.20/x
  3. Step 3: Cross multiply
    35,257.16x = 48,652.98 × 20,151.20
  4. Step 4: Simplify right side
    35,257.16x = 980,415,930.58
  5. Step 5: Solve for x
    x = 980,415,930.58/35,257.16
  6. Step 6: Final answer
    x = 27,807.57

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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.