Home / 40,348.58-60,515.55-13,690.89

Finding the Fourth Proportional to 40,348.58, 60,515.55 and 13,690.89

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Solution

The fourth proportional to 40,348.58, 60,515.55 and 13,690.89 is: 20,533.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,348.58 : 60,515.55 = 13,690.89 : x
  2. Step 2: Convert to fraction form
    40,348.58/60,515.55 = 13,690.89/x
  3. Step 3: Cross multiply
    40,348.58x = 60,515.55 × 13,690.89
  4. Step 4: Simplify right side
    40,348.58x = 828,511,738.34
  5. Step 5: Solve for x
    x = 828,511,738.34/40,348.58
  6. Step 6: Final answer
    x = 20,533.85

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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.