Home / 23,630.78-35,404.32-21,056.60

Finding the Fourth Proportional to 23,630.78, 35,404.32 and 21,056.60

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Solution

The fourth proportional to 23,630.78, 35,404.32 and 21,056.60 is: 31,547.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,630.78 : 35,404.32 = 21,056.60 : x
  2. Step 2: Convert to fraction form
    23,630.78/35,404.32 = 21,056.60/x
  3. Step 3: Cross multiply
    23,630.78x = 35,404.32 × 21,056.60
  4. Step 4: Simplify right side
    23,630.78x = 745,494,604.51
  5. Step 5: Solve for x
    x = 745,494,604.51/23,630.78
  6. Step 6: Final answer
    x = 31,547.61

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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.