Home / 31,016.94-46,507.80-21,168.16

Finding the Fourth Proportional to 31,016.94, 46,507.80 and 21,168.16

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Solution

The fourth proportional to 31,016.94, 46,507.80 and 21,168.16 is: 31,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,016.94 : 46,507.80 = 21,168.16 : x
  2. Step 2: Convert to fraction form
    31,016.94/46,507.80 = 21,168.16/x
  3. Step 3: Cross multiply
    31,016.94x = 46,507.80 × 21,168.16
  4. Step 4: Simplify right side
    31,016.94x = 984,484,551.65
  5. Step 5: Solve for x
    x = 984,484,551.65/31,016.94
  6. Step 6: Final answer
    x = 31,740.22

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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.