Home / 37,486.74-51,733.89-20,721.30

Finding the Fourth Proportional to 37,486.74, 51,733.89 and 20,721.30

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Solution

The fourth proportional to 37,486.74, 51,733.89 and 20,721.30 is: 28,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,486.74 : 51,733.89 = 20,721.30 : x
  2. Step 2: Convert to fraction form
    37,486.74/51,733.89 = 20,721.30/x
  3. Step 3: Cross multiply
    37,486.74x = 51,733.89 × 20,721.30
  4. Step 4: Simplify right side
    37,486.74x = 1,071,993,454.86
  5. Step 5: Solve for x
    x = 1,071,993,454.86/37,486.74
  6. Step 6: Final answer
    x = 28,596.60

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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.