Home / 30,869.46-42,599.71-16,722.33

Finding the Fourth Proportional to 30,869.46, 42,599.71 and 16,722.33

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Solution

The fourth proportional to 30,869.46, 42,599.71 and 16,722.33 is: 23,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.46 : 42,599.71 = 16,722.33 : x
  2. Step 2: Convert to fraction form
    30,869.46/42,599.71 = 16,722.33/x
  3. Step 3: Cross multiply
    30,869.46x = 42,599.71 × 16,722.33
  4. Step 4: Simplify right side
    30,869.46x = 712,366,408.52
  5. Step 5: Solve for x
    x = 712,366,408.52/30,869.46
  6. Step 6: Final answer
    x = 23,076.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.