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Finding the Fourth Proportional to 30,752, 46,128 and 8,864

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Solution

The fourth proportional to 30,752, 46,128 and 8,864 is: 13,296

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,752 : 46,128 = 8,864 : x
  2. Step 2: Convert to fraction form
    30,752/46,128 = 8,864/x
  3. Step 3: Cross multiply
    30,752x = 46,128 × 8,864
  4. Step 4: Simplify right side
    30,752x = 408,878,592
  5. Step 5: Solve for x
    x = 408,878,592/30,752
  6. Step 6: Final answer
    x = 13,296

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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.