Home / 50,837.01-70,138.26-30,686.24

Finding the Fourth Proportional to 50,837.01, 70,138.26 and 30,686.24

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Solution

The fourth proportional to 50,837.01, 70,138.26 and 30,686.24 is: 42,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,837.01 : 70,138.26 = 30,686.24 : x
  2. Step 2: Convert to fraction form
    50,837.01/70,138.26 = 30,686.24/x
  3. Step 3: Cross multiply
    50,837.01x = 70,138.26 × 30,686.24
  4. Step 4: Simplify right side
    50,837.01x = 2,152,279,128.85
  5. Step 5: Solve for x
    x = 2,152,279,128.85/50,837.01
  6. Step 6: Final answer
    x = 42,336.86

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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.