Home / 37,288.62-51,458.31-20,521.50

Finding the Fourth Proportional to 37,288.62, 51,458.31 and 20,521.50

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Solution

The fourth proportional to 37,288.62, 51,458.31 and 20,521.50 is: 28,319.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.62 : 51,458.31 = 20,521.50 : x
  2. Step 2: Convert to fraction form
    37,288.62/51,458.31 = 20,521.50/x
  3. Step 3: Cross multiply
    37,288.62x = 51,458.31 × 20,521.50
  4. Step 4: Simplify right side
    37,288.62x = 1,056,001,708.67
  5. Step 5: Solve for x
    x = 1,056,001,708.67/37,288.62
  6. Step 6: Final answer
    x = 28,319.68

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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.