Home / 31,246.47-46,868.66-12,521.48

Finding the Fourth Proportional to 31,246.47, 46,868.66 and 12,521.48

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Solution

The fourth proportional to 31,246.47, 46,868.66 and 12,521.48 is: 18,781.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,246.47 : 46,868.66 = 12,521.48 : x
  2. Step 2: Convert to fraction form
    31,246.47/46,868.66 = 12,521.48/x
  3. Step 3: Cross multiply
    31,246.47x = 46,868.66 × 12,521.48
  4. Step 4: Simplify right side
    31,246.47x = 586,865,043.38
  5. Step 5: Solve for x
    x = 586,865,043.38/31,246.47
  6. Step 6: Final answer
    x = 18,781.80

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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.