Home / 55,905.63-77,151.16-30,413.42

Finding the Fourth Proportional to 55,905.63, 77,151.16 and 30,413.42

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Solution

The fourth proportional to 55,905.63, 77,151.16 and 30,413.42 is: 41,971.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,905.63 : 77,151.16 = 30,413.42 : x
  2. Step 2: Convert to fraction form
    55,905.63/77,151.16 = 30,413.42/x
  3. Step 3: Cross multiply
    55,905.63x = 77,151.16 × 30,413.42
  4. Step 4: Simplify right side
    55,905.63x = 2,346,430,632.57
  5. Step 5: Solve for x
    x = 2,346,430,632.57/55,905.63
  6. Step 6: Final answer
    x = 41,971.28

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1.5x scale

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.