Home / 30,898.46-46,335.68-10,631.35

Finding the Fourth Proportional to 30,898.46, 46,335.68 and 10,631.35

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Solution

The fourth proportional to 30,898.46, 46,335.68 and 10,631.35 is: 15,942.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,898.46 : 46,335.68 = 10,631.35 : x
  2. Step 2: Convert to fraction form
    30,898.46/46,335.68 = 10,631.35/x
  3. Step 3: Cross multiply
    30,898.46x = 46,335.68 × 10,631.35
  4. Step 4: Simplify right side
    30,898.46x = 492,610,876.20
  5. Step 5: Solve for x
    x = 492,610,876.20/30,898.46
  6. Step 6: Final answer
    x = 15,942.89

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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.