Home / 36,972.32-51,023.65-21,873.82

Finding the Fourth Proportional to 36,972.32, 51,023.65 and 21,873.82

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Solution

The fourth proportional to 36,972.32, 51,023.65 and 21,873.82 is: 30,186.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,972.32 : 51,023.65 = 21,873.82 : x
  2. Step 2: Convert to fraction form
    36,972.32/51,023.65 = 21,873.82/x
  3. Step 3: Cross multiply
    36,972.32x = 51,023.65 × 21,873.82
  4. Step 4: Simplify right side
    36,972.32x = 1,116,082,135.84
  5. Step 5: Solve for x
    x = 1,116,082,135.84/36,972.32
  6. Step 6: Final answer
    x = 30,186.97

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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.