Home / 31,005.92-46,507.83-13,475.76

Finding the Fourth Proportional to 31,005.92, 46,507.83 and 13,475.76

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Solution

The fourth proportional to 31,005.92, 46,507.83 and 13,475.76 is: 20,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,005.92 : 46,507.83 = 13,475.76 : x
  2. Step 2: Convert to fraction form
    31,005.92/46,507.83 = 13,475.76/x
  3. Step 3: Cross multiply
    31,005.92x = 46,507.83 × 13,475.76
  4. Step 4: Simplify right side
    31,005.92x = 626,728,355.20
  5. Step 5: Solve for x
    x = 626,728,355.20/31,005.92
  6. Step 6: Final answer
    x = 20,213.19

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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.