Home / 30,207.04-45,325.04-12,450.62

Finding the Fourth Proportional to 30,207.04, 45,325.04 and 12,450.62

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Solution

The fourth proportional to 30,207.04, 45,325.04 and 12,450.62 is: 18,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,207.04 : 45,325.04 = 12,450.62 : x
  2. Step 2: Convert to fraction form
    30,207.04/45,325.04 = 12,450.62/x
  3. Step 3: Cross multiply
    30,207.04x = 45,325.04 × 12,450.62
  4. Step 4: Simplify right side
    30,207.04x = 564,324,900.58
  5. Step 5: Solve for x
    x = 564,324,900.58/30,207.04
  6. Step 6: Final answer
    x = 18,681.90

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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.