Home / 52,413.09-72,331.88-28,540.17

Finding the Fourth Proportional to 52,413.09, 72,331.88 and 28,540.17

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Solution

The fourth proportional to 52,413.09, 72,331.88 and 28,540.17 is: 39,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.09 : 72,331.88 = 28,540.17 : x
  2. Step 2: Convert to fraction form
    52,413.09/72,331.88 = 28,540.17/x
  3. Step 3: Cross multiply
    52,413.09x = 72,331.88 × 28,540.17
  4. Step 4: Simplify right side
    52,413.09x = 2,064,364,008.92
  5. Step 5: Solve for x
    x = 2,064,364,008.92/52,413.09
  6. Step 6: Final answer
    x = 39,386.42

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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.