Home / 30,620.24-45,909.47-15,590.42

Finding the Fourth Proportional to 30,620.24, 45,909.47 and 15,590.42

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Solution

The fourth proportional to 30,620.24, 45,909.47 and 15,590.42 is: 23,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.24 : 45,909.47 = 15,590.42 : x
  2. Step 2: Convert to fraction form
    30,620.24/45,909.47 = 15,590.42/x
  3. Step 3: Cross multiply
    30,620.24x = 45,909.47 × 15,590.42
  4. Step 4: Simplify right side
    30,620.24x = 715,747,611.78
  5. Step 5: Solve for x
    x = 715,747,611.78/30,620.24
  6. Step 6: Final answer
    x = 23,374.99

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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.