Home / 51,074.88-70,482.24-28,413.36

Finding the Fourth Proportional to 51,074.88, 70,482.24 and 28,413.36

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Solution

The fourth proportional to 51,074.88, 70,482.24 and 28,413.36 is: 39,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.88 : 70,482.24 = 28,413.36 : x
  2. Step 2: Convert to fraction form
    51,074.88/70,482.24 = 28,413.36/x
  3. Step 3: Cross multiply
    51,074.88x = 70,482.24 × 28,413.36
  4. Step 4: Simplify right side
    51,074.88x = 2,002,637,258.73
  5. Step 5: Solve for x
    x = 2,002,637,258.73/51,074.88
  6. Step 6: Final answer
    x = 39,209.83

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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.