Home / 31,920.64-44,074.24-19,362.40

Finding the Fourth Proportional to 31,920.64, 44,074.24 and 19,362.40

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Solution

The fourth proportional to 31,920.64, 44,074.24 and 19,362.40 is: 26,734.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,920.64 : 44,074.24 = 19,362.40 : x
  2. Step 2: Convert to fraction form
    31,920.64/44,074.24 = 19,362.40/x
  3. Step 3: Cross multiply
    31,920.64x = 44,074.24 × 19,362.40
  4. Step 4: Simplify right side
    31,920.64x = 853,383,064.58
  5. Step 5: Solve for x
    x = 853,383,064.58/31,920.64
  6. Step 6: Final answer
    x = 26,734.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.