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Finding the Fourth Proportional to 30,353.35, 45,502.29 and 10,621.14

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Solution

The fourth proportional to 30,353.35, 45,502.29 and 10,621.14 is: 15,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,353.35 : 45,502.29 = 10,621.14 : x
  2. Step 2: Convert to fraction form
    30,353.35/45,502.29 = 10,621.14/x
  3. Step 3: Cross multiply
    30,353.35x = 45,502.29 × 10,621.14
  4. Step 4: Simplify right side
    30,353.35x = 483,286,277.73
  5. Step 5: Solve for x
    x = 483,286,277.73/30,353.35
  6. Step 6: Final answer
    x = 15,922.01

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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.