Home / 31,038.19-46,557.42-7,664.63

Finding the Fourth Proportional to 31,038.19, 46,557.42 and 7,664.63

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Solution

The fourth proportional to 31,038.19, 46,557.42 and 7,664.63 is: 11,496.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.19 : 46,557.42 = 7,664.63 : x
  2. Step 2: Convert to fraction form
    31,038.19/46,557.42 = 7,664.63/x
  3. Step 3: Cross multiply
    31,038.19x = 46,557.42 × 7,664.63
  4. Step 4: Simplify right side
    31,038.19x = 356,845,136.53
  5. Step 5: Solve for x
    x = 356,845,136.53/31,038.19
  6. Step 6: Final answer
    x = 11,496.97

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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.