Home / 30,063.30-45,060.10-11,331.34

Finding the Fourth Proportional to 30,063.30, 45,060.10 and 11,331.34

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Solution

The fourth proportional to 30,063.30, 45,060.10 and 11,331.34 is: 16,983.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,063.30 : 45,060.10 = 11,331.34 : x
  2. Step 2: Convert to fraction form
    30,063.30/45,060.10 = 11,331.34/x
  3. Step 3: Cross multiply
    30,063.30x = 45,060.10 × 11,331.34
  4. Step 4: Simplify right side
    30,063.30x = 510,591,426.02
  5. Step 5: Solve for x
    x = 510,591,426.02/30,063.30
  6. Step 6: Final answer
    x = 16,983.88

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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.