Home / 45,009.81-67,514.69-15,427.89

Finding the Fourth Proportional to 45,009.81, 67,514.69 and 15,427.89

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Solution

The fourth proportional to 45,009.81, 67,514.69 and 15,427.89 is: 23,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,009.81 : 67,514.69 = 15,427.89 : x
  2. Step 2: Convert to fraction form
    45,009.81/67,514.69 = 15,427.89/x
  3. Step 3: Cross multiply
    45,009.81x = 67,514.69 × 15,427.89
  4. Step 4: Simplify right side
    45,009.81x = 1,041,609,249.27
  5. Step 5: Solve for x
    x = 1,041,609,249.27/45,009.81
  6. Step 6: Final answer
    x = 23,141.83

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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.