Home / 37,986.32-56,979.60-11,690.90

Finding the Fourth Proportional to 37,986.32, 56,979.60 and 11,690.90

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Solution

The fourth proportional to 37,986.32, 56,979.60 and 11,690.90 is: 17,536.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,986.32 : 56,979.60 = 11,690.90 : x
  2. Step 2: Convert to fraction form
    37,986.32/56,979.60 = 11,690.90/x
  3. Step 3: Cross multiply
    37,986.32x = 56,979.60 × 11,690.90
  4. Step 4: Simplify right side
    37,986.32x = 666,142,805.64
  5. Step 5: Solve for x
    x = 666,142,805.64/37,986.32
  6. Step 6: Final answer
    x = 17,536.39

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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.