Home / 40,645.98-60,946.70-12,558.42

Finding the Fourth Proportional to 40,645.98, 60,946.70 and 12,558.42

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Solution

The fourth proportional to 40,645.98, 60,946.70 and 12,558.42 is: 18,830.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.98 : 60,946.70 = 12,558.42 : x
  2. Step 2: Convert to fraction form
    40,645.98/60,946.70 = 12,558.42/x
  3. Step 3: Cross multiply
    40,645.98x = 60,946.70 × 12,558.42
  4. Step 4: Simplify right side
    40,645.98x = 765,394,193.42
  5. Step 5: Solve for x
    x = 765,394,193.42/40,645.98
  6. Step 6: Final answer
    x = 18,830.75

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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.