Home / 30,979.36-46,469.09-12,263.81

Finding the Fourth Proportional to 30,979.36, 46,469.09 and 12,263.81

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Solution

The fourth proportional to 30,979.36, 46,469.09 and 12,263.81 is: 18,395.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.36 : 46,469.09 = 12,263.81 : x
  2. Step 2: Convert to fraction form
    30,979.36/46,469.09 = 12,263.81/x
  3. Step 3: Cross multiply
    30,979.36x = 46,469.09 × 12,263.81
  4. Step 4: Simplify right side
    30,979.36x = 569,887,888.95
  5. Step 5: Solve for x
    x = 569,887,888.95/30,979.36
  6. Step 6: Final answer
    x = 18,395.73

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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.