Home / 35,125.92-48,471.21-21,698.55

Finding the Fourth Proportional to 35,125.92, 48,471.21 and 21,698.55

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Solution

The fourth proportional to 35,125.92, 48,471.21 and 21,698.55 is: 29,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,125.92 : 48,471.21 = 21,698.55 : x
  2. Step 2: Convert to fraction form
    35,125.92/48,471.21 = 21,698.55/x
  3. Step 3: Cross multiply
    35,125.92x = 48,471.21 × 21,698.55
  4. Step 4: Simplify right side
    35,125.92x = 1,051,754,973.75
  5. Step 5: Solve for x
    x = 1,051,754,973.75/35,125.92
  6. Step 6: Final answer
    x = 29,942.42

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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.