Home / 30,191.02-45,285.81-9,413.98

Finding the Fourth Proportional to 30,191.02, 45,285.81 and 9,413.98

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Solution

The fourth proportional to 30,191.02, 45,285.81 and 9,413.98 is: 14,120.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,191.02 : 45,285.81 = 9,413.98 : x
  2. Step 2: Convert to fraction form
    30,191.02/45,285.81 = 9,413.98/x
  3. Step 3: Cross multiply
    30,191.02x = 45,285.81 × 9,413.98
  4. Step 4: Simplify right side
    30,191.02x = 426,319,709.62
  5. Step 5: Solve for x
    x = 426,319,709.62/30,191.02
  6. Step 6: Final answer
    x = 14,120.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.