Home / 35,704.13-49,271.69-19,790.98

Finding the Fourth Proportional to 35,704.13, 49,271.69 and 19,790.98

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Solution

The fourth proportional to 35,704.13, 49,271.69 and 19,790.98 is: 27,311.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,704.13 : 49,271.69 = 19,790.98 : x
  2. Step 2: Convert to fraction form
    35,704.13/49,271.69 = 19,790.98/x
  3. Step 3: Cross multiply
    35,704.13x = 49,271.69 × 19,790.98
  4. Step 4: Simplify right side
    35,704.13x = 975,134,957.65
  5. Step 5: Solve for x
    x = 975,134,957.65/35,704.13
  6. Step 6: Final answer
    x = 27,311.55

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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.