Home / 39,003.68-53,826-22,238.24

Finding the Fourth Proportional to 39,003.68, 53,826 and 22,238.24

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Solution

The fourth proportional to 39,003.68, 53,826 and 22,238.24 is: 30,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,003.68 : 53,826 = 22,238.24 : x
  2. Step 2: Convert to fraction form
    39,003.68/53,826 = 22,238.24/x
  3. Step 3: Cross multiply
    39,003.68x = 53,826 × 22,238.24
  4. Step 4: Simplify right side
    39,003.68x = 1,196,995,506.24
  5. Step 5: Solve for x
    x = 1,196,995,506.24/39,003.68
  6. Step 6: Final answer
    x = 30,689.30

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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.