Home / 55,482.46-83,215.50-20,413.96

Finding the Fourth Proportional to 55,482.46, 83,215.50 and 20,413.96

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Solution

The fourth proportional to 55,482.46, 83,215.50 and 20,413.96 is: 30,617.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,482.46 : 83,215.50 = 20,413.96 : x
  2. Step 2: Convert to fraction form
    55,482.46/83,215.50 = 20,413.96/x
  3. Step 3: Cross multiply
    55,482.46x = 83,215.50 × 20,413.96
  4. Step 4: Simplify right side
    55,482.46x = 1,698,757,888.38
  5. Step 5: Solve for x
    x = 1,698,757,888.38/55,482.46
  6. Step 6: Final answer
    x = 30,617.93

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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.