Home / 31,017.95-46,509.30-21,169.16

Finding the Fourth Proportional to 31,017.95, 46,509.30 and 21,169.16

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Solution

The fourth proportional to 31,017.95, 46,509.30 and 21,169.16 is: 31,741.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,017.95 : 46,509.30 = 21,169.16 : x
  2. Step 2: Convert to fraction form
    31,017.95/46,509.30 = 21,169.16/x
  3. Step 3: Cross multiply
    31,017.95x = 46,509.30 × 21,169.16
  4. Step 4: Simplify right side
    31,017.95x = 984,562,813.19
  5. Step 5: Solve for x
    x = 984,562,813.19/31,017.95
  6. Step 6: Final answer
    x = 31,741.71

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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.