Home / 39,315.80-58,998-15,942.44

Finding the Fourth Proportional to 39,315.80, 58,998 and 15,942.44

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Solution

The fourth proportional to 39,315.80, 58,998 and 15,942.44 is: 23,923.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,315.80 : 58,998 = 15,942.44 : x
  2. Step 2: Convert to fraction form
    39,315.80/58,998 = 15,942.44/x
  3. Step 3: Cross multiply
    39,315.80x = 58,998 × 15,942.44
  4. Step 4: Simplify right side
    39,315.80x = 940,572,075.12
  5. Step 5: Solve for x
    x = 940,572,075.12/39,315.80
  6. Step 6: Final answer
    x = 23,923.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.