Home / 35,879.56-53,770.20-18,312.55

Finding the Fourth Proportional to 35,879.56, 53,770.20 and 18,312.55

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Solution

The fourth proportional to 35,879.56, 53,770.20 and 18,312.55 is: 27,443.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,879.56 : 53,770.20 = 18,312.55 : x
  2. Step 2: Convert to fraction form
    35,879.56/53,770.20 = 18,312.55/x
  3. Step 3: Cross multiply
    35,879.56x = 53,770.20 × 18,312.55
  4. Step 4: Simplify right side
    35,879.56x = 984,669,476.01
  5. Step 5: Solve for x
    x = 984,669,476.01/35,879.56
  6. Step 6: Final answer
    x = 27,443.74

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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.