Home / 50,306.61-69,413.31-28,802.91

Finding the Fourth Proportional to 50,306.61, 69,413.31 and 28,802.91

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Solution

The fourth proportional to 50,306.61, 69,413.31 and 28,802.91 is: 39,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,306.61 : 69,413.31 = 28,802.91 : x
  2. Step 2: Convert to fraction form
    50,306.61/69,413.31 = 28,802.91/x
  3. Step 3: Cross multiply
    50,306.61x = 69,413.31 × 28,802.91
  4. Step 4: Simplify right side
    50,306.61x = 1,999,305,320.73
  5. Step 5: Solve for x
    x = 1,999,305,320.73/50,306.61
  6. Step 6: Final answer
    x = 39,742.40

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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.