Home / 38,485.98-57,647.91-19,708.95

Finding the Fourth Proportional to 38,485.98, 57,647.91 and 19,708.95

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Solution

The fourth proportional to 38,485.98, 57,647.91 and 19,708.95 is: 29,521.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,485.98 : 57,647.91 = 19,708.95 : x
  2. Step 2: Convert to fraction form
    38,485.98/57,647.91 = 19,708.95/x
  3. Step 3: Cross multiply
    38,485.98x = 57,647.91 × 19,708.95
  4. Step 4: Simplify right side
    38,485.98x = 1,136,179,775.79
  5. Step 5: Solve for x
    x = 1,136,179,775.79/38,485.98
  6. Step 6: Final answer
    x = 29,521.91

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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.