Home / 30,118.08-41,560.90-16,688.08

Finding the Fourth Proportional to 30,118.08, 41,560.90 and 16,688.08

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Solution

The fourth proportional to 30,118.08, 41,560.90 and 16,688.08 is: 23,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.08 : 41,560.90 = 16,688.08 : x
  2. Step 2: Convert to fraction form
    30,118.08/41,560.90 = 16,688.08/x
  3. Step 3: Cross multiply
    30,118.08x = 41,560.90 × 16,688.08
  4. Step 4: Simplify right side
    30,118.08x = 693,571,624.07
  5. Step 5: Solve for x
    x = 693,571,624.07/30,118.08
  6. Step 6: Final answer
    x = 23,028.41

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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.