Home / 45,398.30-62,632.46-28,162.70

Finding the Fourth Proportional to 45,398.30, 62,632.46 and 28,162.70

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Solution

The fourth proportional to 45,398.30, 62,632.46 and 28,162.70 is: 38,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,398.30 : 62,632.46 = 28,162.70 : x
  2. Step 2: Convert to fraction form
    45,398.30/62,632.46 = 28,162.70/x
  3. Step 3: Cross multiply
    45,398.30x = 62,632.46 × 28,162.70
  4. Step 4: Simplify right side
    45,398.30x = 1,763,899,181.24
  5. Step 5: Solve for x
    x = 1,763,899,181.24/45,398.30
  6. Step 6: Final answer
    x = 38,853.86

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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.