Home / 39,982.31-55,175.58-22,077.35

Finding the Fourth Proportional to 39,982.31, 55,175.58 and 22,077.35

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Solution

The fourth proportional to 39,982.31, 55,175.58 and 22,077.35 is: 30,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.31 : 55,175.58 = 22,077.35 : x
  2. Step 2: Convert to fraction form
    39,982.31/55,175.58 = 22,077.35/x
  3. Step 3: Cross multiply
    39,982.31x = 55,175.58 × 22,077.35
  4. Step 4: Simplify right side
    39,982.31x = 1,218,130,315.24
  5. Step 5: Solve for x
    x = 1,218,130,315.24/39,982.31
  6. Step 6: Final answer
    x = 30,466.74

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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.