Home / 30,801.85-46,207.76-12,071.73

Finding the Fourth Proportional to 30,801.85, 46,207.76 and 12,071.73

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Solution

The fourth proportional to 30,801.85, 46,207.76 and 12,071.73 is: 18,109.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,801.85 : 46,207.76 = 12,071.73 : x
  2. Step 2: Convert to fraction form
    30,801.85/46,207.76 = 12,071.73/x
  3. Step 3: Cross multiply
    30,801.85x = 46,207.76 × 12,071.73
  4. Step 4: Simplify right side
    30,801.85x = 557,807,542.27
  5. Step 5: Solve for x
    x = 557,807,542.27/30,801.85
  6. Step 6: Final answer
    x = 18,109.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.