Home / 30,806.71-46,215.02-12,076.58

Finding the Fourth Proportional to 30,806.71, 46,215.02 and 12,076.58

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Solution

The fourth proportional to 30,806.71, 46,215.02 and 12,076.58 is: 18,116.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,806.71 : 46,215.02 = 12,076.58 : x
  2. Step 2: Convert to fraction form
    30,806.71/46,215.02 = 12,076.58/x
  3. Step 3: Cross multiply
    30,806.71x = 46,215.02 × 12,076.58
  4. Step 4: Simplify right side
    30,806.71x = 558,119,531.96
  5. Step 5: Solve for x
    x = 558,119,531.96/30,806.71
  6. Step 6: Final answer
    x = 18,116.82

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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.