Home / 52,413.57-72,329.79-28,539.81

Finding the Fourth Proportional to 52,413.57, 72,329.79 and 28,539.81

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Solution

The fourth proportional to 52,413.57, 72,329.79 and 28,539.81 is: 39,384.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.57 : 72,329.79 = 28,539.81 : x
  2. Step 2: Convert to fraction form
    52,413.57/72,329.79 = 28,539.81/x
  3. Step 3: Cross multiply
    52,413.57x = 72,329.79 × 28,539.81
  4. Step 4: Simplify right side
    52,413.57x = 2,064,278,463.94
  5. Step 5: Solve for x
    x = 2,064,278,463.94/52,413.57
  6. Step 6: Final answer
    x = 39,384.43

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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.