Home / 52,478.60-78,733.18-16,939.16

Finding the Fourth Proportional to 52,478.60, 78,733.18 and 16,939.16

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Solution

The fourth proportional to 52,478.60, 78,733.18 and 16,939.16 is: 25,413.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,478.60 : 78,733.18 = 16,939.16 : x
  2. Step 2: Convert to fraction form
    52,478.60/78,733.18 = 16,939.16/x
  3. Step 3: Cross multiply
    52,478.60x = 78,733.18 × 16,939.16
  4. Step 4: Simplify right side
    52,478.60x = 1,333,673,933.33
  5. Step 5: Solve for x
    x = 1,333,673,933.33/52,478.60
  6. Step 6: Final answer
    x = 25,413.67

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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.