Home / 51,627.16-71,259.54-30,413.32

Finding the Fourth Proportional to 51,627.16, 71,259.54 and 30,413.32

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Solution

The fourth proportional to 51,627.16, 71,259.54 and 30,413.32 is: 41,978.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,627.16 : 71,259.54 = 30,413.32 : x
  2. Step 2: Convert to fraction form
    51,627.16/71,259.54 = 30,413.32/x
  3. Step 3: Cross multiply
    51,627.16x = 71,259.54 × 30,413.32
  4. Step 4: Simplify right side
    51,627.16x = 2,167,239,193.07
  5. Step 5: Solve for x
    x = 2,167,239,193.07/51,627.16
  6. Step 6: Final answer
    x = 41,978.66

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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.