Home / 35,412.15-48,868.98-20,305.74

Finding the Fourth Proportional to 35,412.15, 48,868.98 and 20,305.74

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Solution

The fourth proportional to 35,412.15, 48,868.98 and 20,305.74 is: 28,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,412.15 : 48,868.98 = 20,305.74 : x
  2. Step 2: Convert to fraction form
    35,412.15/48,868.98 = 20,305.74/x
  3. Step 3: Cross multiply
    35,412.15x = 48,868.98 × 20,305.74
  4. Step 4: Simplify right side
    35,412.15x = 992,320,801.95
  5. Step 5: Solve for x
    x = 992,320,801.95/35,412.15
  6. Step 6: Final answer
    x = 28,022.04

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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.