Home / 51,218.56-70,634.64-35,109.28

Finding the Fourth Proportional to 51,218.56, 70,634.64 and 35,109.28

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Solution

The fourth proportional to 51,218.56, 70,634.64 and 35,109.28 is: 48,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,218.56 : 70,634.64 = 35,109.28 : x
  2. Step 2: Convert to fraction form
    51,218.56/70,634.64 = 35,109.28/x
  3. Step 3: Cross multiply
    51,218.56x = 70,634.64 × 35,109.28
  4. Step 4: Simplify right side
    51,218.56x = 2,479,931,353.46
  5. Step 5: Solve for x
    x = 2,479,931,353.46/51,218.56
  6. Step 6: Final answer
    x = 48,418.61

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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.