Home / 35,405.08-48,858.72-20,297.76

Finding the Fourth Proportional to 35,405.08, 48,858.72 and 20,297.76

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Solution

The fourth proportional to 35,405.08, 48,858.72 and 20,297.76 is: 28,010.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,405.08 : 48,858.72 = 20,297.76 : x
  2. Step 2: Convert to fraction form
    35,405.08/48,858.72 = 20,297.76/x
  3. Step 3: Cross multiply
    35,405.08x = 48,858.72 × 20,297.76
  4. Step 4: Simplify right side
    35,405.08x = 991,722,572.47
  5. Step 5: Solve for x
    x = 991,722,572.47/35,405.08
  6. Step 6: Final answer
    x = 28,010.74

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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.