Home / 51,607.96-77,308.26-30,820.12

Finding the Fourth Proportional to 51,607.96, 77,308.26 and 30,820.12

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Solution

The fourth proportional to 51,607.96, 77,308.26 and 30,820.12 is: 46,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,607.96 : 77,308.26 = 30,820.12 : x
  2. Step 2: Convert to fraction form
    51,607.96/77,308.26 = 30,820.12/x
  3. Step 3: Cross multiply
    51,607.96x = 77,308.26 × 30,820.12
  4. Step 4: Simplify right side
    51,607.96x = 2,382,649,850.19
  5. Step 5: Solve for x
    x = 2,382,649,850.19/51,607.96
  6. Step 6: Final answer
    x = 46,168.26

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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.