Home / 45,234.72-67,802.40-18,956.16

Finding the Fourth Proportional to 45,234.72, 67,802.40 and 18,956.16

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Solution

The fourth proportional to 45,234.72, 67,802.40 and 18,956.16 is: 28,413.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,234.72 : 67,802.40 = 18,956.16 : x
  2. Step 2: Convert to fraction form
    45,234.72/67,802.40 = 18,956.16/x
  3. Step 3: Cross multiply
    45,234.72x = 67,802.40 × 18,956.16
  4. Step 4: Simplify right side
    45,234.72x = 1,285,273,142.78
  5. Step 5: Solve for x
    x = 1,285,273,142.78/45,234.72
  6. Step 6: Final answer
    x = 28,413.42

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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.