Home / 66,021.04-91,108.62-35,807.08

Finding the Fourth Proportional to 66,021.04, 91,108.62 and 35,807.08

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Solution

The fourth proportional to 66,021.04, 91,108.62 and 35,807.08 is: 49,413.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,021.04 : 91,108.62 = 35,807.08 : x
  2. Step 2: Convert to fraction form
    66,021.04/91,108.62 = 35,807.08/x
  3. Step 3: Cross multiply
    66,021.04x = 91,108.62 × 35,807.08
  4. Step 4: Simplify right side
    66,021.04x = 3,262,333,645.03
  5. Step 5: Solve for x
    x = 3,262,333,645.03/66,021.04
  6. Step 6: Final answer
    x = 49,413.55

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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.