Home / 37,151.28-51,268.08-21,018.36

Finding the Fourth Proportional to 37,151.28, 51,268.08 and 21,018.36

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Solution

The fourth proportional to 37,151.28, 51,268.08 and 21,018.36 is: 29,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,151.28 : 51,268.08 = 21,018.36 : x
  2. Step 2: Convert to fraction form
    37,151.28/51,268.08 = 21,018.36/x
  3. Step 3: Cross multiply
    37,151.28x = 51,268.08 × 21,018.36
  4. Step 4: Simplify right side
    37,151.28x = 1,077,570,961.95
  5. Step 5: Solve for x
    x = 1,077,570,961.95/37,151.28
  6. Step 6: Final answer
    x = 29,004.95

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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.