Home / 31,015.48-46,535.64-11,295.40

Finding the Fourth Proportional to 31,015.48, 46,535.64 and 11,295.40

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Solution

The fourth proportional to 31,015.48, 46,535.64 and 11,295.40 is: 16,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,015.48 : 46,535.64 = 11,295.40 : x
  2. Step 2: Convert to fraction form
    31,015.48/46,535.64 = 11,295.40/x
  3. Step 3: Cross multiply
    31,015.48x = 46,535.64 × 11,295.40
  4. Step 4: Simplify right side
    31,015.48x = 525,638,668.06
  5. Step 5: Solve for x
    x = 525,638,668.06/31,015.48
  6. Step 6: Final answer
    x = 16,947.62

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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.