Home / 37,451.16-51,682.32-20,455.40

Finding the Fourth Proportional to 37,451.16, 51,682.32 and 20,455.40

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Solution

The fourth proportional to 37,451.16, 51,682.32 and 20,455.40 is: 28,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,451.16 : 51,682.32 = 20,455.40 : x
  2. Step 2: Convert to fraction form
    37,451.16/51,682.32 = 20,455.40/x
  3. Step 3: Cross multiply
    37,451.16x = 51,682.32 × 20,455.40
  4. Step 4: Simplify right side
    37,451.16x = 1,057,182,657.73
  5. Step 5: Solve for x
    x = 1,057,182,657.73/37,451.16
  6. Step 6: Final answer
    x = 28,228.30

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Double scale
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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.