Home / 37,430.64-51,654.96-20,663.64

Finding the Fourth Proportional to 37,430.64, 51,654.96 and 20,663.64

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Solution

The fourth proportional to 37,430.64, 51,654.96 and 20,663.64 is: 28,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,430.64 : 51,654.96 = 20,663.64 : x
  2. Step 2: Convert to fraction form
    37,430.64/51,654.96 = 20,663.64/x
  3. Step 3: Cross multiply
    37,430.64x = 51,654.96 × 20,663.64
  4. Step 4: Simplify right side
    37,430.64x = 1,067,379,497.65
  5. Step 5: Solve for x
    x = 1,067,379,497.65/37,430.64
  6. Step 6: Final answer
    x = 28,516.20

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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.