Home / 31,139.85-46,703.94-13,373.64

Finding the Fourth Proportional to 31,139.85, 46,703.94 and 13,373.64

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Solution

The fourth proportional to 31,139.85, 46,703.94 and 13,373.64 is: 20,057.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,139.85 : 46,703.94 = 13,373.64 : x
  2. Step 2: Convert to fraction form
    31,139.85/46,703.94 = 13,373.64/x
  3. Step 3: Cross multiply
    31,139.85x = 46,703.94 × 13,373.64
  4. Step 4: Simplify right side
    31,139.85x = 624,601,680.14
  5. Step 5: Solve for x
    x = 624,601,680.14/31,139.85
  6. Step 6: Final answer
    x = 20,057.95

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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.