Home / 49,868.45-68,821.10-28,649.07

Finding the Fourth Proportional to 49,868.45, 68,821.10 and 28,649.07

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Solution

The fourth proportional to 49,868.45, 68,821.10 and 28,649.07 is: 39,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.45 : 68,821.10 = 28,649.07 : x
  2. Step 2: Convert to fraction form
    49,868.45/68,821.10 = 28,649.07/x
  3. Step 3: Cross multiply
    49,868.45x = 68,821.10 × 28,649.07
  4. Step 4: Simplify right side
    49,868.45x = 1,971,660,368.13
  5. Step 5: Solve for x
    x = 1,971,660,368.13/49,868.45
  6. Step 6: Final answer
    x = 39,537.23

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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.