Home / 37,747.20-56,583.60-21,115.20

Finding the Fourth Proportional to 37,747.20, 56,583.60 and 21,115.20

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Solution

The fourth proportional to 37,747.20, 56,583.60 and 21,115.20 is: 31,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,747.20 : 56,583.60 = 21,115.20 : x
  2. Step 2: Convert to fraction form
    37,747.20/56,583.60 = 21,115.20/x
  3. Step 3: Cross multiply
    37,747.20x = 56,583.60 × 21,115.20
  4. Step 4: Simplify right side
    37,747.20x = 1,194,774,030.72
  5. Step 5: Solve for x
    x = 1,194,774,030.72/37,747.20
  6. Step 6: Final answer
    x = 31,651.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.