Home / 55,541.08-76,648.62-30,392.92

Finding the Fourth Proportional to 55,541.08, 76,648.62 and 30,392.92

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Solution

The fourth proportional to 55,541.08, 76,648.62 and 30,392.92 is: 41,943.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,541.08 : 76,648.62 = 30,392.92 : x
  2. Step 2: Convert to fraction form
    55,541.08/76,648.62 = 30,392.92/x
  3. Step 3: Cross multiply
    55,541.08x = 76,648.62 × 30,392.92
  4. Step 4: Simplify right side
    55,541.08x = 2,329,575,375.77
  5. Step 5: Solve for x
    x = 2,329,575,375.77/55,541.08
  6. Step 6: Final answer
    x = 41,943.29

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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.