Home / 30,291.87-41,804.39-16,864.30

Finding the Fourth Proportional to 30,291.87, 41,804.39 and 16,864.30

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Solution

The fourth proportional to 30,291.87, 41,804.39 and 16,864.30 is: 23,273.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.87 : 41,804.39 = 16,864.30 : x
  2. Step 2: Convert to fraction form
    30,291.87/41,804.39 = 16,864.30/x
  3. Step 3: Cross multiply
    30,291.87x = 41,804.39 × 16,864.30
  4. Step 4: Simplify right side
    30,291.87x = 705,001,480.93
  5. Step 5: Solve for x
    x = 705,001,480.93/30,291.87
  6. Step 6: Final answer
    x = 23,273.62

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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.