Home / 51,649.58-77,278.86-30,600.92

Finding the Fourth Proportional to 51,649.58, 77,278.86 and 30,600.92

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Solution

The fourth proportional to 51,649.58, 77,278.86 and 30,600.92 is: 45,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,649.58 : 77,278.86 = 30,600.92 : x
  2. Step 2: Convert to fraction form
    51,649.58/77,278.86 = 30,600.92/x
  3. Step 3: Cross multiply
    51,649.58x = 77,278.86 × 30,600.92
  4. Step 4: Simplify right side
    51,649.58x = 2,364,804,212.55
  5. Step 5: Solve for x
    x = 2,364,804,212.55/51,649.58
  6. Step 6: Final answer
    x = 45,785.55

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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.