Home / 30,177.72-41,643.32-16,748.99

Finding the Fourth Proportional to 30,177.72, 41,643.32 and 16,748.99

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Solution

The fourth proportional to 30,177.72, 41,643.32 and 16,748.99 is: 23,112.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.72 : 41,643.32 = 16,748.99 : x
  2. Step 2: Convert to fraction form
    30,177.72/41,643.32 = 16,748.99/x
  3. Step 3: Cross multiply
    30,177.72x = 41,643.32 × 16,748.99
  4. Step 4: Simplify right side
    30,177.72x = 697,483,550.25
  5. Step 5: Solve for x
    x = 697,483,550.25/30,177.72
  6. Step 6: Final answer
    x = 23,112.53

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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.