Home / 30,979.65-46,436.99-15,162.87

Finding the Fourth Proportional to 30,979.65, 46,436.99 and 15,162.87

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Solution

The fourth proportional to 30,979.65, 46,436.99 and 15,162.87 is: 22,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.65 : 46,436.99 = 15,162.87 : x
  2. Step 2: Convert to fraction form
    30,979.65/46,436.99 = 15,162.87/x
  3. Step 3: Cross multiply
    30,979.65x = 46,436.99 × 15,162.87
  4. Step 4: Simplify right side
    30,979.65x = 704,117,966.75
  5. Step 5: Solve for x
    x = 704,117,966.75/30,979.65
  6. Step 6: Final answer
    x = 22,728.40

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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.