Home / 30,845.60-42,566.88-16,698.44

Finding the Fourth Proportional to 30,845.60, 42,566.88 and 16,698.44

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Solution

The fourth proportional to 30,845.60, 42,566.88 and 16,698.44 is: 23,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.60 : 42,566.88 = 16,698.44 : x
  2. Step 2: Convert to fraction form
    30,845.60/42,566.88 = 16,698.44/x
  3. Step 3: Cross multiply
    30,845.60x = 42,566.88 × 16,698.44
  4. Step 4: Simplify right side
    30,845.60x = 710,800,491.67
  5. Step 5: Solve for x
    x = 710,800,491.67/30,845.60
  6. Step 6: Final answer
    x = 23,043.82

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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.