Home / 30,458.48-45,673.23-17,811.85

Finding the Fourth Proportional to 30,458.48, 45,673.23 and 17,811.85

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Solution

The fourth proportional to 30,458.48, 45,673.23 and 17,811.85 is: 26,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,458.48 : 45,673.23 = 17,811.85 : x
  2. Step 2: Convert to fraction form
    30,458.48/45,673.23 = 17,811.85/x
  3. Step 3: Cross multiply
    30,458.48x = 45,673.23 × 17,811.85
  4. Step 4: Simplify right side
    30,458.48x = 813,524,760.02
  5. Step 5: Solve for x
    x = 813,524,760.02/30,458.48
  6. Step 6: Final answer
    x = 26,709.30

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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.