Home / 40,878.51-56,413.77-22,973.15

Finding the Fourth Proportional to 40,878.51, 56,413.77 and 22,973.15

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Solution

The fourth proportional to 40,878.51, 56,413.77 and 22,973.15 is: 31,703.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,878.51 : 56,413.77 = 22,973.15 : x
  2. Step 2: Convert to fraction form
    40,878.51/56,413.77 = 22,973.15/x
  3. Step 3: Cross multiply
    40,878.51x = 56,413.77 × 22,973.15
  4. Step 4: Simplify right side
    40,878.51x = 1,296,002,055.16
  5. Step 5: Solve for x
    x = 1,296,002,055.16/40,878.51
  6. Step 6: Final answer
    x = 31,703.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.