Home / 30,866.43-46,303.06-12,144.00

Finding the Fourth Proportional to 30,866.43, 46,303.06 and 12,144.00

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Solution

The fourth proportional to 30,866.43, 46,303.06 and 12,144.00 is: 18,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,866.43 : 46,303.06 = 12,144.00 : x
  2. Step 2: Convert to fraction form
    30,866.43/46,303.06 = 12,144.00/x
  3. Step 3: Cross multiply
    30,866.43x = 46,303.06 × 12,144.00
  4. Step 4: Simplify right side
    30,866.43x = 562,304,422.08
  5. Step 5: Solve for x
    x = 562,304,422.08/30,866.43
  6. Step 6: Final answer
    x = 18,217.35

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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.