Home / 56,413.67-84,622.32-16,971.12

Finding the Fourth Proportional to 56,413.67, 84,622.32 and 16,971.12

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Solution

The fourth proportional to 56,413.67, 84,622.32 and 16,971.12 is: 25,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.67 : 84,622.32 = 16,971.12 : x
  2. Step 2: Convert to fraction form
    56,413.67/84,622.32 = 16,971.12/x
  3. Step 3: Cross multiply
    56,413.67x = 84,622.32 × 16,971.12
  4. Step 4: Simplify right side
    56,413.67x = 1,436,135,547.40
  5. Step 5: Solve for x
    x = 1,436,135,547.40/56,413.67
  6. Step 6: Final answer
    x = 25,457.23

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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.