Home / 30,981.65-46,439.99-15,164.87

Finding the Fourth Proportional to 30,981.65, 46,439.99 and 15,164.87

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Solution

The fourth proportional to 30,981.65, 46,439.99 and 15,164.87 is: 22,731.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,981.65 : 46,439.99 = 15,164.87 : x
  2. Step 2: Convert to fraction form
    30,981.65/46,439.99 = 15,164.87/x
  3. Step 3: Cross multiply
    30,981.65x = 46,439.99 × 15,164.87
  4. Step 4: Simplify right side
    30,981.65x = 704,256,335.33
  5. Step 5: Solve for x
    x = 704,256,335.33/30,981.65
  6. Step 6: Final answer
    x = 22,731.40

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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.