Home / 31,075.80-46,585.71-11,340.51

Finding the Fourth Proportional to 31,075.80, 46,585.71 and 11,340.51

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Solution

The fourth proportional to 31,075.80, 46,585.71 and 11,340.51 is: 17,000.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,075.80 : 46,585.71 = 11,340.51 : x
  2. Step 2: Convert to fraction form
    31,075.80/46,585.71 = 11,340.51/x
  3. Step 3: Cross multiply
    31,075.80x = 46,585.71 × 11,340.51
  4. Step 4: Simplify right side
    31,075.80x = 528,305,710.11
  5. Step 5: Solve for x
    x = 528,305,710.11/31,075.80
  6. Step 6: Final answer
    x = 17,000.55

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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.