Home / 37,979.96-56,976.40-11,684.12

Finding the Fourth Proportional to 37,979.96, 56,976.40 and 11,684.12

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Solution

The fourth proportional to 37,979.96, 56,976.40 and 11,684.12 is: 17,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,979.96 : 56,976.40 = 11,684.12 : x
  2. Step 2: Convert to fraction form
    37,979.96/56,976.40 = 11,684.12/x
  3. Step 3: Cross multiply
    37,979.96x = 56,976.40 × 11,684.12
  4. Step 4: Simplify right side
    37,979.96x = 665,719,094.77
  5. Step 5: Solve for x
    x = 665,719,094.77/37,979.96
  6. Step 6: Final answer
    x = 17,528.17

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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.