Home / 36,968.86-51,026.12-30,991.06

Finding the Fourth Proportional to 36,968.86, 51,026.12 and 30,991.06

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Solution

The fourth proportional to 36,968.86, 51,026.12 and 30,991.06 is: 42,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,968.86 : 51,026.12 = 30,991.06 : x
  2. Step 2: Convert to fraction form
    36,968.86/51,026.12 = 30,991.06/x
  3. Step 3: Cross multiply
    36,968.86x = 51,026.12 × 30,991.06
  4. Step 4: Simplify right side
    36,968.86x = 1,581,353,546.49
  5. Step 5: Solve for x
    x = 1,581,353,546.49/36,968.86
  6. Step 6: Final answer
    x = 42,775.29

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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.