Home / 39,953.80-55,137.36-22,050.19

Finding the Fourth Proportional to 39,953.80, 55,137.36 and 22,050.19

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Solution

The fourth proportional to 39,953.80, 55,137.36 and 22,050.19 is: 30,429.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,953.80 : 55,137.36 = 22,050.19 : x
  2. Step 2: Convert to fraction form
    39,953.80/55,137.36 = 22,050.19/x
  3. Step 3: Cross multiply
    39,953.80x = 55,137.36 × 22,050.19
  4. Step 4: Simplify right side
    39,953.80x = 1,215,789,264.10
  5. Step 5: Solve for x
    x = 1,215,789,264.10/39,953.80
  6. Step 6: Final answer
    x = 30,429.88

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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.