Home / 30,269.11-45,403.71-14,470.43

Finding the Fourth Proportional to 30,269.11, 45,403.71 and 14,470.43

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Solution

The fourth proportional to 30,269.11, 45,403.71 and 14,470.43 is: 21,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,269.11 : 45,403.71 = 14,470.43 : x
  2. Step 2: Convert to fraction form
    30,269.11/45,403.71 = 14,470.43/x
  3. Step 3: Cross multiply
    30,269.11x = 45,403.71 × 14,470.43
  4. Step 4: Simplify right side
    30,269.11x = 657,011,207.30
  5. Step 5: Solve for x
    x = 657,011,207.30/30,269.11
  6. Step 6: Final answer
    x = 21,705.67

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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.