Home / 35,600.76-49,120.86-21,257.79

Finding the Fourth Proportional to 35,600.76, 49,120.86 and 21,257.79

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Solution

The fourth proportional to 35,600.76, 49,120.86 and 21,257.79 is: 29,330.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,600.76 : 49,120.86 = 21,257.79 : x
  2. Step 2: Convert to fraction form
    35,600.76/49,120.86 = 21,257.79/x
  3. Step 3: Cross multiply
    35,600.76x = 49,120.86 × 21,257.79
  4. Step 4: Simplify right side
    35,600.76x = 1,044,200,926.50
  5. Step 5: Solve for x
    x = 1,044,200,926.50/35,600.76
  6. Step 6: Final answer
    x = 29,330.86

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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.