Home / 37,530.56-51,789.60-20,764.16

Finding the Fourth Proportional to 37,530.56, 51,789.60 and 20,764.16

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Solution

The fourth proportional to 37,530.56, 51,789.60 and 20,764.16 is: 28,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,530.56 : 51,789.60 = 20,764.16 : x
  2. Step 2: Convert to fraction form
    37,530.56/51,789.60 = 20,764.16/x
  3. Step 3: Cross multiply
    37,530.56x = 51,789.60 × 20,764.16
  4. Step 4: Simplify right side
    37,530.56x = 1,075,367,540.74
  5. Step 5: Solve for x
    x = 1,075,367,540.74/37,530.56
  6. Step 6: Final answer
    x = 28,653.12

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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.