Home / 39,934.90-55,075.14-31,974.22

Finding the Fourth Proportional to 39,934.90, 55,075.14 and 31,974.22

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Solution

The fourth proportional to 39,934.90, 55,075.14 and 31,974.22 is: 44,096.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,934.90 : 55,075.14 = 31,974.22 : x
  2. Step 2: Convert to fraction form
    39,934.90/55,075.14 = 31,974.22/x
  3. Step 3: Cross multiply
    39,934.90x = 55,075.14 × 31,974.22
  4. Step 4: Simplify right side
    39,934.90x = 1,760,984,642.89
  5. Step 5: Solve for x
    x = 1,760,984,642.89/39,934.90
  6. Step 6: Final answer
    x = 44,096.38

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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.