Home / 52,413.36-72,329.40-28,540.32

Finding the Fourth Proportional to 52,413.36, 72,329.40 and 28,540.32

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Solution

The fourth proportional to 52,413.36, 72,329.40 and 28,540.32 is: 39,385.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,413.36 : 72,329.40 = 28,540.32 : x
  2. Step 2: Convert to fraction form
    52,413.36/72,329.40 = 28,540.32/x
  3. Step 3: Cross multiply
    52,413.36x = 72,329.40 × 28,540.32
  4. Step 4: Simplify right side
    52,413.36x = 2,064,304,221.41
  5. Step 5: Solve for x
    x = 2,064,304,221.41/52,413.36
  6. Step 6: Final answer
    x = 39,385.08

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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.