Home / 52,413.14-72,330.09-28,539.99

Finding the Fourth Proportional to 52,413.14, 72,330.09 and 28,539.99

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Solution

The fourth proportional to 52,413.14, 72,330.09 and 28,539.99 is: 39,385.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.14 : 72,330.09 = 28,539.99 : x
  2. Step 2: Convert to fraction form
    52,413.14/72,330.09 = 28,539.99/x
  3. Step 3: Cross multiply
    52,413.14x = 72,330.09 × 28,539.99
  4. Step 4: Simplify right side
    52,413.14x = 2,064,299,540.95
  5. Step 5: Solve for x
    x = 2,064,299,540.95/52,413.14
  6. Step 6: Final answer
    x = 39,385.15

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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.