Home / 37,619.36-51,920.16-21,700.64

Finding the Fourth Proportional to 37,619.36, 51,920.16 and 21,700.64

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Solution

The fourth proportional to 37,619.36, 51,920.16 and 21,700.64 is: 29,950.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,619.36 : 51,920.16 = 21,700.64 : x
  2. Step 2: Convert to fraction form
    37,619.36/51,920.16 = 21,700.64/x
  3. Step 3: Cross multiply
    37,619.36x = 51,920.16 × 21,700.64
  4. Step 4: Simplify right side
    37,619.36x = 1,126,700,700.90
  5. Step 5: Solve for x
    x = 1,126,700,700.90/37,619.36
  6. Step 6: Final answer
    x = 29,950.02

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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.