Home / 31,284.24-46,945.80-12,816.24

Finding the Fourth Proportional to 31,284.24, 46,945.80 and 12,816.24

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Solution

The fourth proportional to 31,284.24, 46,945.80 and 12,816.24 is: 19,232.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.24 : 46,945.80 = 12,816.24 : x
  2. Step 2: Convert to fraction form
    31,284.24/46,945.80 = 12,816.24/x
  3. Step 3: Cross multiply
    31,284.24x = 46,945.80 × 12,816.24
  4. Step 4: Simplify right side
    31,284.24x = 601,668,639.79
  5. Step 5: Solve for x
    x = 601,668,639.79/31,284.24
  6. Step 6: Final answer
    x = 19,232.32

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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.