Home / 56,413.63-84,630.15-18,977.32

Finding the Fourth Proportional to 56,413.63, 84,630.15 and 18,977.32

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Solution

The fourth proportional to 56,413.63, 84,630.15 and 18,977.32 is: 28,469.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.63 : 84,630.15 = 18,977.32 : x
  2. Step 2: Convert to fraction form
    56,413.63/84,630.15 = 18,977.32/x
  3. Step 3: Cross multiply
    56,413.63x = 84,630.15 × 18,977.32
  4. Step 4: Simplify right side
    56,413.63x = 1,606,053,438.20
  5. Step 5: Solve for x
    x = 1,606,053,438.20/56,413.63
  6. Step 6: Final answer
    x = 28,469.24

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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.