Home / 31,534.81-47,207.77-30,413.28

Finding the Fourth Proportional to 31,534.81, 47,207.77 and 30,413.28

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Solution

The fourth proportional to 31,534.81, 47,207.77 and 30,413.28 is: 45,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,534.81 : 47,207.77 = 30,413.28 : x
  2. Step 2: Convert to fraction form
    31,534.81/47,207.77 = 30,413.28/x
  3. Step 3: Cross multiply
    31,534.81x = 47,207.77 × 30,413.28
  4. Step 4: Simplify right side
    31,534.81x = 1,435,743,371.74
  5. Step 5: Solve for x
    x = 1,435,743,371.74/31,534.81
  6. Step 6: Final answer
    x = 45,528.84

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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.