Home / 55,330.32-76,331.52-37,418.72

Finding the Fourth Proportional to 55,330.32, 76,331.52 and 37,418.72

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Solution

The fourth proportional to 55,330.32, 76,331.52 and 37,418.72 is: 51,621.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,330.32 : 76,331.52 = 37,418.72 : x
  2. Step 2: Convert to fraction form
    55,330.32/76,331.52 = 37,418.72/x
  3. Step 3: Cross multiply
    55,330.32x = 76,331.52 × 37,418.72
  4. Step 4: Simplify right side
    55,330.32x = 2,856,227,774.05
  5. Step 5: Solve for x
    x = 2,856,227,774.05/55,330.32
  6. Step 6: Final answer
    x = 51,621.39

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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.