Home / 30,325.50-41,847.84-16,897.32

Finding the Fourth Proportional to 30,325.50, 41,847.84 and 16,897.32

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Solution

The fourth proportional to 30,325.50, 41,847.84 and 16,897.32 is: 23,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,325.50 : 41,847.84 = 16,897.32 : x
  2. Step 2: Convert to fraction form
    30,325.50/41,847.84 = 16,897.32/x
  3. Step 3: Cross multiply
    30,325.50x = 41,847.84 × 16,897.32
  4. Step 4: Simplify right side
    30,325.50x = 707,116,343.79
  5. Step 5: Solve for x
    x = 707,116,343.79/30,325.50
  6. Step 6: Final answer
    x = 23,317.55

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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.