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Finding the Fourth Proportional to 39,320, 58,980 and 10,136

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Solution

The fourth proportional to 39,320, 58,980 and 10,136 is: 15,204

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,320 : 58,980 = 10,136 : x
  2. Step 2: Convert to fraction form
    39,320/58,980 = 10,136/x
  3. Step 3: Cross multiply
    39,320x = 58,980 × 10,136
  4. Step 4: Simplify right side
    39,320x = 597,821,280
  5. Step 5: Solve for x
    x = 597,821,280/39,320
  6. Step 6: Final answer
    x = 15,204

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.