Home / 30,200.22-41,676.75-18,261.45

Finding the Fourth Proportional to 30,200.22, 41,676.75 and 18,261.45

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Solution

The fourth proportional to 30,200.22, 41,676.75 and 18,261.45 is: 25,201.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,200.22 : 41,676.75 = 18,261.45 : x
  2. Step 2: Convert to fraction form
    30,200.22/41,676.75 = 18,261.45/x
  3. Step 3: Cross multiply
    30,200.22x = 41,676.75 × 18,261.45
  4. Step 4: Simplify right side
    30,200.22x = 761,077,886.29
  5. Step 5: Solve for x
    x = 761,077,886.29/30,200.22
  6. Step 6: Final answer
    x = 25,201.07

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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.