Home / 35,422.31-53,141.67-12,048.75

Finding the Fourth Proportional to 35,422.31, 53,141.67 and 12,048.75

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Solution

The fourth proportional to 35,422.31, 53,141.67 and 12,048.75 is: 18,075.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,422.31 : 53,141.67 = 12,048.75 : x
  2. Step 2: Convert to fraction form
    35,422.31/53,141.67 = 12,048.75/x
  3. Step 3: Cross multiply
    35,422.31x = 53,141.67 × 12,048.75
  4. Step 4: Simplify right side
    35,422.31x = 640,290,696.41
  5. Step 5: Solve for x
    x = 640,290,696.41/35,422.31
  6. Step 6: Final answer
    x = 18,075.91

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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.