Home / 39,007.22-53,829.89-21,102.24

Finding the Fourth Proportional to 39,007.22, 53,829.89 and 21,102.24

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Solution

The fourth proportional to 39,007.22, 53,829.89 and 21,102.24 is: 29,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,007.22 : 53,829.89 = 21,102.24 : x
  2. Step 2: Convert to fraction form
    39,007.22/53,829.89 = 21,102.24/x
  3. Step 3: Cross multiply
    39,007.22x = 53,829.89 × 21,102.24
  4. Step 4: Simplify right side
    39,007.22x = 1,135,931,257.95
  5. Step 5: Solve for x
    x = 1,135,931,257.95/39,007.22
  6. Step 6: Final answer
    x = 29,121.05

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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.