Home / 34,738.06-47,939.41-21,316.73

Finding the Fourth Proportional to 34,738.06, 47,939.41 and 21,316.73

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Solution

The fourth proportional to 34,738.06, 47,939.41 and 21,316.73 is: 29,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.06 : 47,939.41 = 21,316.73 : x
  2. Step 2: Convert to fraction form
    34,738.06/47,939.41 = 21,316.73/x
  3. Step 3: Cross multiply
    34,738.06x = 47,939.41 × 21,316.73
  4. Step 4: Simplify right side
    34,738.06x = 1,021,911,166.34
  5. Step 5: Solve for x
    x = 1,021,911,166.34/34,738.06
  6. Step 6: Final answer
    x = 29,417.63

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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.