Home / 30,556.32-45,808.35-13,910.41

Finding the Fourth Proportional to 30,556.32, 45,808.35 and 13,910.41

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Solution

The fourth proportional to 30,556.32, 45,808.35 and 13,910.41 is: 20,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,556.32 : 45,808.35 = 13,910.41 : x
  2. Step 2: Convert to fraction form
    30,556.32/45,808.35 = 13,910.41/x
  3. Step 3: Cross multiply
    30,556.32x = 45,808.35 × 13,910.41
  4. Step 4: Simplify right side
    30,556.32x = 637,212,929.92
  5. Step 5: Solve for x
    x = 637,212,929.92/30,556.32
  6. Step 6: Final answer
    x = 20,853.72

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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.