Home / 39,102.08-53,958.15-22,107.15

Finding the Fourth Proportional to 39,102.08, 53,958.15 and 22,107.15

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Solution

The fourth proportional to 39,102.08, 53,958.15 and 22,107.15 is: 30,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,102.08 : 53,958.15 = 22,107.15 : x
  2. Step 2: Convert to fraction form
    39,102.08/53,958.15 = 22,107.15/x
  3. Step 3: Cross multiply
    39,102.08x = 53,958.15 × 22,107.15
  4. Step 4: Simplify right side
    39,102.08x = 1,192,860,915.77
  5. Step 5: Solve for x
    x = 1,192,860,915.77/39,102.08
  6. Step 6: Final answer
    x = 30,506.33

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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.