Home / 30,208.34-45,319.05-11,488.73

Finding the Fourth Proportional to 30,208.34, 45,319.05 and 11,488.73

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Solution

The fourth proportional to 30,208.34, 45,319.05 and 11,488.73 is: 17,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,208.34 : 45,319.05 = 11,488.73 : x
  2. Step 2: Convert to fraction form
    30,208.34/45,319.05 = 11,488.73/x
  3. Step 3: Cross multiply
    30,208.34x = 45,319.05 × 11,488.73
  4. Step 4: Simplify right side
    30,208.34x = 520,658,102.71
  5. Step 5: Solve for x
    x = 520,658,102.71/30,208.34
  6. Step 6: Final answer
    x = 17,235.57

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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.