Home / 37,988.80-52,413.86-21,855.26

Finding the Fourth Proportional to 37,988.80, 52,413.86 and 21,855.26

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Solution

The fourth proportional to 37,988.80, 52,413.86 and 21,855.26 is: 30,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,988.80 : 52,413.86 = 21,855.26 : x
  2. Step 2: Convert to fraction form
    37,988.80/52,413.86 = 21,855.26/x
  3. Step 3: Cross multiply
    37,988.80x = 52,413.86 × 21,855.26
  4. Step 4: Simplify right side
    37,988.80x = 1,145,518,537.90
  5. Step 5: Solve for x
    x = 1,145,518,537.90/37,988.80
  6. Step 6: Final answer
    x = 30,154.11

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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.