Home / 31,246.98-46,869.41-12,521.99

Finding the Fourth Proportional to 31,246.98, 46,869.41 and 12,521.99

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Solution

The fourth proportional to 31,246.98, 46,869.41 and 12,521.99 is: 18,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.98 : 46,869.41 = 12,521.99 : x
  2. Step 2: Convert to fraction form
    31,246.98/46,869.41 = 12,521.99/x
  3. Step 3: Cross multiply
    31,246.98x = 46,869.41 × 12,521.99
  4. Step 4: Simplify right side
    31,246.98x = 586,897,986.37
  5. Step 5: Solve for x
    x = 586,897,986.37/31,246.98
  6. Step 6: Final answer
    x = 18,782.55

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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.