Home / 35,718.44-49,285.14-21,561.80

Finding the Fourth Proportional to 35,718.44, 49,285.14 and 21,561.80

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Solution

The fourth proportional to 35,718.44, 49,285.14 and 21,561.80 is: 29,751.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,718.44 : 49,285.14 = 21,561.80 : x
  2. Step 2: Convert to fraction form
    35,718.44/49,285.14 = 21,561.80/x
  3. Step 3: Cross multiply
    35,718.44x = 49,285.14 × 21,561.80
  4. Step 4: Simplify right side
    35,718.44x = 1,062,676,331.65
  5. Step 5: Solve for x
    x = 1,062,676,331.65/35,718.44
  6. Step 6: Final answer
    x = 29,751.48

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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.