Home / 35,190.40-48,561.84-20,081.92

Finding the Fourth Proportional to 35,190.40, 48,561.84 and 20,081.92

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Solution

The fourth proportional to 35,190.40, 48,561.84 and 20,081.92 is: 27,712.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,190.40 : 48,561.84 = 20,081.92 : x
  2. Step 2: Convert to fraction form
    35,190.40/48,561.84 = 20,081.92/x
  3. Step 3: Cross multiply
    35,190.40x = 48,561.84 × 20,081.92
  4. Step 4: Simplify right side
    35,190.40x = 975,214,985.93
  5. Step 5: Solve for x
    x = 975,214,985.93/35,190.40
  6. Step 6: Final answer
    x = 27,712.53

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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.