Home / 30,009.20-41,409.12-16,579.64

Finding the Fourth Proportional to 30,009.20, 41,409.12 and 16,579.64

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Solution

The fourth proportional to 30,009.20, 41,409.12 and 16,579.64 is: 22,877.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.20 : 41,409.12 = 16,579.64 : x
  2. Step 2: Convert to fraction form
    30,009.20/41,409.12 = 16,579.64/x
  3. Step 3: Cross multiply
    30,009.20x = 41,409.12 × 16,579.64
  4. Step 4: Simplify right side
    30,009.20x = 686,548,302.32
  5. Step 5: Solve for x
    x = 686,548,302.32/30,009.20
  6. Step 6: Final answer
    x = 22,877.93

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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.