Home / 42,745.75-64,084.04-17,804.53

Finding the Fourth Proportional to 42,745.75, 64,084.04 and 17,804.53

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Solution

The fourth proportional to 42,745.75, 64,084.04 and 17,804.53 is: 26,692.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,745.75 : 64,084.04 = 17,804.53 : x
  2. Step 2: Convert to fraction form
    42,745.75/64,084.04 = 17,804.53/x
  3. Step 3: Cross multiply
    42,745.75x = 64,084.04 × 17,804.53
  4. Step 4: Simplify right side
    42,745.75x = 1,140,986,400.71
  5. Step 5: Solve for x
    x = 1,140,986,400.71/42,745.75
  6. Step 6: Final answer
    x = 26,692.39

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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.