Home / 30,173.55-45,221.28-16,846.20

Finding the Fourth Proportional to 30,173.55, 45,221.28 and 16,846.20

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Solution

The fourth proportional to 30,173.55, 45,221.28 and 16,846.20 is: 25,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.55 : 45,221.28 = 16,846.20 : x
  2. Step 2: Convert to fraction form
    30,173.55/45,221.28 = 16,846.20/x
  3. Step 3: Cross multiply
    30,173.55x = 45,221.28 × 16,846.20
  4. Step 4: Simplify right side
    30,173.55x = 761,806,727.14
  5. Step 5: Solve for x
    x = 761,806,727.14/30,173.55
  6. Step 6: Final answer
    x = 25,247.50

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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.