Home / 35,825.80-53,738.70-13,631.80

Finding the Fourth Proportional to 35,825.80, 53,738.70 and 13,631.80

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Solution

The fourth proportional to 35,825.80, 53,738.70 and 13,631.80 is: 20,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,825.80 : 53,738.70 = 13,631.80 : x
  2. Step 2: Convert to fraction form
    35,825.80/53,738.70 = 13,631.80/x
  3. Step 3: Cross multiply
    35,825.80x = 53,738.70 × 13,631.80
  4. Step 4: Simplify right side
    35,825.80x = 732,555,210.66
  5. Step 5: Solve for x
    x = 732,555,210.66/35,825.80
  6. Step 6: Final answer
    x = 20,447.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.