Home / 40,460.74-60,698.38-12,380.26

Finding the Fourth Proportional to 40,460.74, 60,698.38 and 12,380.26

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Solution

The fourth proportional to 40,460.74, 60,698.38 and 12,380.26 is: 18,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,460.74 : 60,698.38 = 12,380.26 : x
  2. Step 2: Convert to fraction form
    40,460.74/60,698.38 = 12,380.26/x
  3. Step 3: Cross multiply
    40,460.74x = 60,698.38 × 12,380.26
  4. Step 4: Simplify right side
    40,460.74x = 751,461,725.98
  5. Step 5: Solve for x
    x = 751,461,725.98/40,460.74
  6. Step 6: Final answer
    x = 18,572.61

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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.