Home / 34,727.41-47,920.98-19,621.38

Finding the Fourth Proportional to 34,727.41, 47,920.98 and 19,621.38

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Solution

The fourth proportional to 34,727.41, 47,920.98 and 19,621.38 is: 27,075.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.41 : 47,920.98 = 19,621.38 : x
  2. Step 2: Convert to fraction form
    34,727.41/47,920.98 = 19,621.38/x
  3. Step 3: Cross multiply
    34,727.41x = 47,920.98 × 19,621.38
  4. Step 4: Simplify right side
    34,727.41x = 940,275,758.55
  5. Step 5: Solve for x
    x = 940,275,758.55/34,727.41
  6. Step 6: Final answer
    x = 27,075.90

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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.