Home / 37,310.86-51,490.90-21,179.32

Finding the Fourth Proportional to 37,310.86, 51,490.90 and 21,179.32

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Solution

The fourth proportional to 37,310.86, 51,490.90 and 21,179.32 is: 29,228.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,310.86 : 51,490.90 = 21,179.32 : x
  2. Step 2: Convert to fraction form
    37,310.86/51,490.90 = 21,179.32/x
  3. Step 3: Cross multiply
    37,310.86x = 51,490.90 × 21,179.32
  4. Step 4: Simplify right side
    37,310.86x = 1,090,542,248.19
  5. Step 5: Solve for x
    x = 1,090,542,248.19/37,310.86
  6. Step 6: Final answer
    x = 29,228.55

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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.