Home / 30,250.18-45,380.11-10,534.34

Finding the Fourth Proportional to 30,250.18, 45,380.11 and 10,534.34

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Solution

The fourth proportional to 30,250.18, 45,380.11 and 10,534.34 is: 15,803.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.18 : 45,380.11 = 10,534.34 : x
  2. Step 2: Convert to fraction form
    30,250.18/45,380.11 = 10,534.34/x
  3. Step 3: Cross multiply
    30,250.18x = 45,380.11 × 10,534.34
  4. Step 4: Simplify right side
    30,250.18x = 478,049,507.98
  5. Step 5: Solve for x
    x = 478,049,507.98/30,250.18
  6. Step 6: Final answer
    x = 15,803.20

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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.