Home / 35,938.88-49,600.04-21,791.68

Finding the Fourth Proportional to 35,938.88, 49,600.04 and 21,791.68

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Solution

The fourth proportional to 35,938.88, 49,600.04 and 21,791.68 is: 30,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,938.88 : 49,600.04 = 21,791.68 : x
  2. Step 2: Convert to fraction form
    35,938.88/49,600.04 = 21,791.68/x
  3. Step 3: Cross multiply
    35,938.88x = 49,600.04 × 21,791.68
  4. Step 4: Simplify right side
    35,938.88x = 1,080,868,199.67
  5. Step 5: Solve for x
    x = 1,080,868,199.67/35,938.88
  6. Step 6: Final answer
    x = 30,075.18

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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.