Home / 30,976.09-46,349.31-18,502.90

Finding the Fourth Proportional to 30,976.09, 46,349.31 and 18,502.90

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Solution

The fourth proportional to 30,976.09, 46,349.31 and 18,502.90 is: 27,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.09 : 46,349.31 = 18,502.90 : x
  2. Step 2: Convert to fraction form
    30,976.09/46,349.31 = 18,502.90/x
  3. Step 3: Cross multiply
    30,976.09x = 46,349.31 × 18,502.90
  4. Step 4: Simplify right side
    30,976.09x = 857,596,648.00
  5. Step 5: Solve for x
    x = 857,596,648.00/30,976.09
  6. Step 6: Final answer
    x = 27,685.76

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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.