Home / 30,826.40-46,207.92-13,281.44

Finding the Fourth Proportional to 30,826.40, 46,207.92 and 13,281.44

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Solution

The fourth proportional to 30,826.40, 46,207.92 and 13,281.44 is: 19,908.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,826.40 : 46,207.92 = 13,281.44 : x
  2. Step 2: Convert to fraction form
    30,826.40/46,207.92 = 13,281.44/x
  3. Step 3: Cross multiply
    30,826.40x = 46,207.92 × 13,281.44
  4. Step 4: Simplify right side
    30,826.40x = 613,707,717.00
  5. Step 5: Solve for x
    x = 613,707,717.00/30,826.40
  6. Step 6: Final answer
    x = 19,908.51

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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.