Home / 45,533.97-68,294.80-12,256.03

Finding the Fourth Proportional to 45,533.97, 68,294.80 and 12,256.03

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Solution

The fourth proportional to 45,533.97, 68,294.80 and 12,256.03 is: 18,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,533.97 : 68,294.80 = 12,256.03 : x
  2. Step 2: Convert to fraction form
    45,533.97/68,294.80 = 12,256.03/x
  3. Step 3: Cross multiply
    45,533.97x = 68,294.80 × 12,256.03
  4. Step 4: Simplify right side
    45,533.97x = 837,023,075.51
  5. Step 5: Solve for x
    x = 837,023,075.51/45,533.97
  6. Step 6: Final answer
    x = 18,382.39

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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.