Home / 37,661.12-51,971.88-21,745.22

Finding the Fourth Proportional to 37,661.12, 51,971.88 and 21,745.22

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Solution

The fourth proportional to 37,661.12, 51,971.88 and 21,745.22 is: 30,008.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,661.12 : 51,971.88 = 21,745.22 : x
  2. Step 2: Convert to fraction form
    37,661.12/51,971.88 = 21,745.22/x
  3. Step 3: Cross multiply
    37,661.12x = 51,971.88 × 21,745.22
  4. Step 4: Simplify right side
    37,661.12x = 1,130,139,964.41
  5. Step 5: Solve for x
    x = 1,130,139,964.41/37,661.12
  6. Step 6: Final answer
    x = 30,008.14

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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.