Home / 58,413.15-80,610.09-31,555.66

Finding the Fourth Proportional to 58,413.15, 80,610.09 and 31,555.66

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Solution

The fourth proportional to 58,413.15, 80,610.09 and 31,555.66 is: 43,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,413.15 : 80,610.09 = 31,555.66 : x
  2. Step 2: Convert to fraction form
    58,413.15/80,610.09 = 31,555.66/x
  3. Step 3: Cross multiply
    58,413.15x = 80,610.09 × 31,555.66
  4. Step 4: Simplify right side
    58,413.15x = 2,543,704,423.89
  5. Step 5: Solve for x
    x = 2,543,704,423.89/58,413.15
  6. Step 6: Final answer
    x = 43,546.78

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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.