Home / 31,270.65-46,914.74-12,563.82

Finding the Fourth Proportional to 31,270.65, 46,914.74 and 12,563.82

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Solution

The fourth proportional to 31,270.65, 46,914.74 and 12,563.82 is: 18,849.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,270.65 : 46,914.74 = 12,563.82 : x
  2. Step 2: Convert to fraction form
    31,270.65/46,914.74 = 12,563.82/x
  3. Step 3: Cross multiply
    31,270.65x = 46,914.74 × 12,563.82
  4. Step 4: Simplify right side
    31,270.65x = 589,428,348.71
  5. Step 5: Solve for x
    x = 589,428,348.71/31,270.65
  6. Step 6: Final answer
    x = 18,849.25

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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.