Home / 42,841.48-64,261.56-11,676.64

Finding the Fourth Proportional to 42,841.48, 64,261.56 and 11,676.64

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Solution

The fourth proportional to 42,841.48, 64,261.56 and 11,676.64 is: 17,514.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,841.48 : 64,261.56 = 11,676.64 : x
  2. Step 2: Convert to fraction form
    42,841.48/64,261.56 = 11,676.64/x
  3. Step 3: Cross multiply
    42,841.48x = 64,261.56 × 11,676.64
  4. Step 4: Simplify right side
    42,841.48x = 750,359,101.96
  5. Step 5: Solve for x
    x = 750,359,101.96/42,841.48
  6. Step 6: Final answer
    x = 17,514.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.