Home / 37,310.93-51,490.34-20,315.83

Finding the Fourth Proportional to 37,310.93, 51,490.34 and 20,315.83

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Solution

The fourth proportional to 37,310.93, 51,490.34 and 20,315.83 is: 28,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,310.93 : 51,490.34 = 20,315.83 : x
  2. Step 2: Convert to fraction form
    37,310.93/51,490.34 = 20,315.83/x
  3. Step 3: Cross multiply
    37,310.93x = 51,490.34 × 20,315.83
  4. Step 4: Simplify right side
    37,310.93x = 1,046,068,635.05
  5. Step 5: Solve for x
    x = 1,046,068,635.05/37,310.93
  6. Step 6: Final answer
    x = 28,036.52

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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.