Home / 30,404.84-45,705.34-28,193.92

Finding the Fourth Proportional to 30,404.84, 45,705.34 and 28,193.92

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Solution

The fourth proportional to 30,404.84, 45,705.34 and 28,193.92 is: 42,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,404.84 : 45,705.34 = 28,193.92 : x
  2. Step 2: Convert to fraction form
    30,404.84/45,705.34 = 28,193.92/x
  3. Step 3: Cross multiply
    30,404.84x = 45,705.34 × 28,193.92
  4. Step 4: Simplify right side
    30,404.84x = 1,288,612,798.31
  5. Step 5: Solve for x
    x = 1,288,612,798.31/30,404.84
  6. Step 6: Final answer
    x = 42,381.83

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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.