Home / 31,136.19-46,703.84-14,486.91

Finding the Fourth Proportional to 31,136.19, 46,703.84 and 14,486.91

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Solution

The fourth proportional to 31,136.19, 46,703.84 and 14,486.91 is: 21,730.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,136.19 : 46,703.84 = 14,486.91 : x
  2. Step 2: Convert to fraction form
    31,136.19/46,703.84 = 14,486.91/x
  3. Step 3: Cross multiply
    31,136.19x = 46,703.84 × 14,486.91
  4. Step 4: Simplify right side
    31,136.19x = 676,594,326.73
  5. Step 5: Solve for x
    x = 676,594,326.73/31,136.19
  6. Step 6: Final answer
    x = 21,730.16

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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.