Home / 30,389.30-45,604.34-10,667.92

Finding the Fourth Proportional to 30,389.30, 45,604.34 and 10,667.92

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Solution

The fourth proportional to 30,389.30, 45,604.34 and 10,667.92 is: 16,009.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,389.30 : 45,604.34 = 10,667.92 : x
  2. Step 2: Convert to fraction form
    30,389.30/45,604.34 = 10,667.92/x
  3. Step 3: Cross multiply
    30,389.30x = 45,604.34 × 10,667.92
  4. Step 4: Simplify right side
    30,389.30x = 486,503,450.77
  5. Step 5: Solve for x
    x = 486,503,450.77/30,389.30
  6. Step 6: Final answer
    x = 16,009.04

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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.