Home / 30,888.70-46,328.73-10,109.50

Finding the Fourth Proportional to 30,888.70, 46,328.73 and 10,109.50

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Solution

The fourth proportional to 30,888.70, 46,328.73 and 10,109.50 is: 15,162.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.70 : 46,328.73 = 10,109.50 : x
  2. Step 2: Convert to fraction form
    30,888.70/46,328.73 = 10,109.50/x
  3. Step 3: Cross multiply
    30,888.70x = 46,328.73 × 10,109.50
  4. Step 4: Simplify right side
    30,888.70x = 468,360,295.94
  5. Step 5: Solve for x
    x = 468,360,295.94/30,888.70
  6. Step 6: Final answer
    x = 15,162.84

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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.