Home / 30,953.08-46,431.78-13,423.96

Finding the Fourth Proportional to 30,953.08, 46,431.78 and 13,423.96

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Solution

The fourth proportional to 30,953.08, 46,431.78 and 13,423.96 is: 20,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,953.08 : 46,431.78 = 13,423.96 : x
  2. Step 2: Convert to fraction form
    30,953.08/46,431.78 = 13,423.96/x
  3. Step 3: Cross multiply
    30,953.08x = 46,431.78 × 13,423.96
  4. Step 4: Simplify right side
    30,953.08x = 623,298,357.45
  5. Step 5: Solve for x
    x = 623,298,357.45/30,953.08
  6. Step 6: Final answer
    x = 20,136.88

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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.