Home / 30,315.45-41,835.25-16,886.56

Finding the Fourth Proportional to 30,315.45, 41,835.25 and 16,886.56

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Solution

The fourth proportional to 30,315.45, 41,835.25 and 16,886.56 is: 23,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,315.45 : 41,835.25 = 16,886.56 : x
  2. Step 2: Convert to fraction form
    30,315.45/41,835.25 = 16,886.56/x
  3. Step 3: Cross multiply
    30,315.45x = 41,835.25 × 16,886.56
  4. Step 4: Simplify right side
    30,315.45x = 706,453,459.24
  5. Step 5: Solve for x
    x = 706,453,459.24/30,315.45
  6. Step 6: Final answer
    x = 23,303.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.