Home / 35,188.70-48,559.91-20,086.15

Finding the Fourth Proportional to 35,188.70, 48,559.91 and 20,086.15

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Solution

The fourth proportional to 35,188.70, 48,559.91 and 20,086.15 is: 27,718.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,188.70 : 48,559.91 = 20,086.15 : x
  2. Step 2: Convert to fraction form
    35,188.70/48,559.91 = 20,086.15/x
  3. Step 3: Cross multiply
    35,188.70x = 48,559.91 × 20,086.15
  4. Step 4: Simplify right side
    35,188.70x = 975,381,293.02
  5. Step 5: Solve for x
    x = 975,381,293.02/35,188.70
  6. Step 6: Final answer
    x = 27,718.59

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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.