Home / 49,790.80-68,714.70-30,418.01

Finding the Fourth Proportional to 49,790.80, 68,714.70 and 30,418.01

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Solution

The fourth proportional to 49,790.80, 68,714.70 and 30,418.01 is: 41,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,790.80 : 68,714.70 = 30,418.01 : x
  2. Step 2: Convert to fraction form
    49,790.80/68,714.70 = 30,418.01/x
  3. Step 3: Cross multiply
    49,790.80x = 68,714.70 × 30,418.01
  4. Step 4: Simplify right side
    49,790.80x = 2,090,164,295.18
  5. Step 5: Solve for x
    x = 2,090,164,295.18/49,790.80
  6. Step 6: Final answer
    x = 41,978.92

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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.