Home / 31,286.29-46,929.42-12,566.32

Finding the Fourth Proportional to 31,286.29, 46,929.42 and 12,566.32

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Solution

The fourth proportional to 31,286.29, 46,929.42 and 12,566.32 is: 18,849.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,286.29 : 46,929.42 = 12,566.32 : x
  2. Step 2: Convert to fraction form
    31,286.29/46,929.42 = 12,566.32/x
  3. Step 3: Cross multiply
    31,286.29x = 46,929.42 × 12,566.32
  4. Step 4: Simplify right side
    31,286.29x = 589,730,109.13
  5. Step 5: Solve for x
    x = 589,730,109.13/31,286.29
  6. Step 6: Final answer
    x = 18,849.47

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1.5x scale

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.