Home / 55,397.82-76,445.46-30,247.32

Finding the Fourth Proportional to 55,397.82, 76,445.46 and 30,247.32

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Solution

The fourth proportional to 55,397.82, 76,445.46 and 30,247.32 is: 41,739.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,397.82 : 76,445.46 = 30,247.32 : x
  2. Step 2: Convert to fraction form
    55,397.82/76,445.46 = 30,247.32/x
  3. Step 3: Cross multiply
    55,397.82x = 76,445.46 × 30,247.32
  4. Step 4: Simplify right side
    55,397.82x = 2,312,270,291.17
  5. Step 5: Solve for x
    x = 2,312,270,291.17/55,397.82
  6. Step 6: Final answer
    x = 41,739.37

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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.