Home / 55,490.62-83,244.22-20,427.61

Finding the Fourth Proportional to 55,490.62, 83,244.22 and 20,427.61

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Solution

The fourth proportional to 55,490.62, 83,244.22 and 20,427.61 is: 30,644.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.62 : 83,244.22 = 20,427.61 : x
  2. Step 2: Convert to fraction form
    55,490.62/83,244.22 = 20,427.61/x
  3. Step 3: Cross multiply
    55,490.62x = 83,244.22 × 20,427.61
  4. Step 4: Simplify right side
    55,490.62x = 1,700,480,460.91
  5. Step 5: Solve for x
    x = 1,700,480,460.91/55,490.62
  6. Step 6: Final answer
    x = 30,644.47

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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.