Home / 30,787.86-46,186.65-10,006.50

Finding the Fourth Proportional to 30,787.86, 46,186.65 and 10,006.50

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Solution

The fourth proportional to 30,787.86, 46,186.65 and 10,006.50 is: 15,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.86 : 46,186.65 = 10,006.50 : x
  2. Step 2: Convert to fraction form
    30,787.86/46,186.65 = 10,006.50/x
  3. Step 3: Cross multiply
    30,787.86x = 46,186.65 × 10,006.50
  4. Step 4: Simplify right side
    30,787.86x = 462,166,713.23
  5. Step 5: Solve for x
    x = 462,166,713.23/30,787.86
  6. Step 6: Final answer
    x = 15,011.33

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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.