Home / 30,247.16-41,734.62-20,559.96

Finding the Fourth Proportional to 30,247.16, 41,734.62 and 20,559.96

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Solution

The fourth proportional to 30,247.16, 41,734.62 and 20,559.96 is: 28,368.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.16 : 41,734.62 = 20,559.96 : x
  2. Step 2: Convert to fraction form
    30,247.16/41,734.62 = 20,559.96/x
  3. Step 3: Cross multiply
    30,247.16x = 41,734.62 × 20,559.96
  4. Step 4: Simplify right side
    30,247.16x = 858,062,117.82
  5. Step 5: Solve for x
    x = 858,062,117.82/30,247.16
  6. Step 6: Final answer
    x = 28,368.36

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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.