Home / 37,170.36-55,682.64-21,555.18

Finding the Fourth Proportional to 37,170.36, 55,682.64 and 21,555.18

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Solution

The fourth proportional to 37,170.36, 55,682.64 and 21,555.18 is: 32,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,170.36 : 55,682.64 = 21,555.18 : x
  2. Step 2: Convert to fraction form
    37,170.36/55,682.64 = 21,555.18/x
  3. Step 3: Cross multiply
    37,170.36x = 55,682.64 × 21,555.18
  4. Step 4: Simplify right side
    37,170.36x = 1,200,249,328.08
  5. Step 5: Solve for x
    x = 1,200,249,328.08/37,170.36
  6. Step 6: Final answer
    x = 32,290.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.