Home / 30,620.11-45,909.27-15,590.29

Finding the Fourth Proportional to 30,620.11, 45,909.27 and 15,590.29

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Solution

The fourth proportional to 30,620.11, 45,909.27 and 15,590.29 is: 23,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,620.11 : 45,909.27 = 15,590.29 : x
  2. Step 2: Convert to fraction form
    30,620.11/45,909.27 = 15,590.29/x
  3. Step 3: Cross multiply
    30,620.11x = 45,909.27 × 15,590.29
  4. Step 4: Simplify right side
    30,620.11x = 715,738,832.99
  5. Step 5: Solve for x
    x = 715,738,832.99/30,620.11
  6. Step 6: Final answer
    x = 23,374.80

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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.