Home / 30,303.86-45,455.74-13,644.43

Finding the Fourth Proportional to 30,303.86, 45,455.74 and 13,644.43

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Solution

The fourth proportional to 30,303.86, 45,455.74 and 13,644.43 is: 20,466.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303.86 : 45,455.74 = 13,644.43 : x
  2. Step 2: Convert to fraction form
    30,303.86/45,455.74 = 13,644.43/x
  3. Step 3: Cross multiply
    30,303.86x = 45,455.74 × 13,644.43
  4. Step 4: Simplify right side
    30,303.86x = 620,217,514.78
  5. Step 5: Solve for x
    x = 620,217,514.78/30,303.86
  6. Step 6: Final answer
    x = 20,466.62

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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.