Home / 36,965.19-51,015.72-21,862.74

Finding the Fourth Proportional to 36,965.19, 51,015.72 and 21,862.74

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Solution

The fourth proportional to 36,965.19, 51,015.72 and 21,862.74 is: 30,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,965.19 : 51,015.72 = 21,862.74 : x
  2. Step 2: Convert to fraction form
    36,965.19/51,015.72 = 21,862.74/x
  3. Step 3: Cross multiply
    36,965.19x = 51,015.72 × 21,862.74
  4. Step 4: Simplify right side
    36,965.19x = 1,115,343,422.27
  5. Step 5: Solve for x
    x = 1,115,343,422.27/36,965.19
  6. Step 6: Final answer
    x = 30,172.80

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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.