Home / 34,901.60-48,157.68-20,757.92

Finding the Fourth Proportional to 34,901.60, 48,157.68 and 20,757.92

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Solution

The fourth proportional to 34,901.60, 48,157.68 and 20,757.92 is: 28,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,901.60 : 48,157.68 = 20,757.92 : x
  2. Step 2: Convert to fraction form
    34,901.60/48,157.68 = 20,757.92/x
  3. Step 3: Cross multiply
    34,901.60x = 48,157.68 × 20,757.92
  4. Step 4: Simplify right side
    34,901.60x = 999,653,268.83
  5. Step 5: Solve for x
    x = 999,653,268.83/34,901.60
  6. Step 6: Final answer
    x = 28,642.05

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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.