Home / 49,868.57-68,821.26-28,649.20

Finding the Fourth Proportional to 49,868.57, 68,821.26 and 28,649.20

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Solution

The fourth proportional to 49,868.57, 68,821.26 and 28,649.20 is: 39,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,868.57 : 68,821.26 = 28,649.20 : x
  2. Step 2: Convert to fraction form
    49,868.57/68,821.26 = 28,649.20/x
  3. Step 3: Cross multiply
    49,868.57x = 68,821.26 × 28,649.20
  4. Step 4: Simplify right side
    49,868.57x = 1,971,674,041.99
  5. Step 5: Solve for x
    x = 1,971,674,041.99/49,868.57
  6. Step 6: Final answer
    x = 39,537.41

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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.