Home / 30,009.37-41,410.81-16,580.49

Finding the Fourth Proportional to 30,009.37, 41,410.81 and 16,580.49

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Solution

The fourth proportional to 30,009.37, 41,410.81 and 16,580.49 is: 22,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.37 : 41,410.81 = 16,580.49 : x
  2. Step 2: Convert to fraction form
    30,009.37/41,410.81 = 16,580.49/x
  3. Step 3: Cross multiply
    30,009.37x = 41,410.81 × 16,580.49
  4. Step 4: Simplify right side
    30,009.37x = 686,611,521.10
  5. Step 5: Solve for x
    x = 686,611,521.10/30,009.37
  6. Step 6: Final answer
    x = 22,879.90

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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.