Home / 30,109.88-41,533.80-18,166.16

Finding the Fourth Proportional to 30,109.88, 41,533.80 and 18,166.16

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Solution

The fourth proportional to 30,109.88, 41,533.80 and 18,166.16 is: 25,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.88 : 41,533.80 = 18,166.16 : x
  2. Step 2: Convert to fraction form
    30,109.88/41,533.80 = 18,166.16/x
  3. Step 3: Cross multiply
    30,109.88x = 41,533.80 × 18,166.16
  4. Step 4: Simplify right side
    30,109.88x = 754,509,691.92
  5. Step 5: Solve for x
    x = 754,509,691.92/30,109.88
  6. Step 6: Final answer
    x = 25,058.54

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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.