Home / 45,108.69-67,662.23-15,525.87

Finding the Fourth Proportional to 45,108.69, 67,662.23 and 15,525.87

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Solution

The fourth proportional to 45,108.69, 67,662.23 and 15,525.87 is: 23,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,108.69 : 67,662.23 = 15,525.87 : x
  2. Step 2: Convert to fraction form
    45,108.69/67,662.23 = 15,525.87/x
  3. Step 3: Cross multiply
    45,108.69x = 67,662.23 × 15,525.87
  4. Step 4: Simplify right side
    45,108.69x = 1,050,514,655.53
  5. Step 5: Solve for x
    x = 1,050,514,655.53/45,108.69
  6. Step 6: Final answer
    x = 23,288.52

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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.