Home / 30,338.68-45,522.44-13,703.80

Finding the Fourth Proportional to 30,338.68, 45,522.44 and 13,703.80

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Solution

The fourth proportional to 30,338.68, 45,522.44 and 13,703.80 is: 20,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.68 : 45,522.44 = 13,703.80 : x
  2. Step 2: Convert to fraction form
    30,338.68/45,522.44 = 13,703.80/x
  3. Step 3: Cross multiply
    30,338.68x = 45,522.44 × 13,703.80
  4. Step 4: Simplify right side
    30,338.68x = 623,830,413.27
  5. Step 5: Solve for x
    x = 623,830,413.27/30,338.68
  6. Step 6: Final answer
    x = 20,562.21

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1.5x scale

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.