Home / 45,009.66-67,514.50-11,729.64

Finding the Fourth Proportional to 45,009.66, 67,514.50 and 11,729.64

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Solution

The fourth proportional to 45,009.66, 67,514.50 and 11,729.64 is: 17,594.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.66 : 67,514.50 = 11,729.64 : x
  2. Step 2: Convert to fraction form
    45,009.66/67,514.50 = 11,729.64/x
  3. Step 3: Cross multiply
    45,009.66x = 67,514.50 × 11,729.64
  4. Step 4: Simplify right side
    45,009.66x = 791,920,779.78
  5. Step 5: Solve for x
    x = 791,920,779.78/45,009.66
  6. Step 6: Final answer
    x = 17,594.46

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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.