Home / 37,485.16-51,728.62-20,488.64

Finding the Fourth Proportional to 37,485.16, 51,728.62 and 20,488.64

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Solution

The fourth proportional to 37,485.16, 51,728.62 and 20,488.64 is: 28,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,485.16 : 51,728.62 = 20,488.64 : x
  2. Step 2: Convert to fraction form
    37,485.16/51,728.62 = 20,488.64/x
  3. Step 3: Cross multiply
    37,485.16x = 51,728.62 × 20,488.64
  4. Step 4: Simplify right side
    37,485.16x = 1,059,849,072.88
  5. Step 5: Solve for x
    x = 1,059,849,072.88/37,485.16
  6. Step 6: Final answer
    x = 28,273.83

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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.