Home / 49,867.80-68,819.76-28,653.72

Finding the Fourth Proportional to 49,867.80, 68,819.76 and 28,653.72

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Solution

The fourth proportional to 49,867.80, 68,819.76 and 28,653.72 is: 39,543.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,867.80 : 68,819.76 = 28,653.72 : x
  2. Step 2: Convert to fraction form
    49,867.80/68,819.76 = 28,653.72/x
  3. Step 3: Cross multiply
    49,867.80x = 68,819.76 × 28,653.72
  4. Step 4: Simplify right side
    49,867.80x = 1,971,942,133.51
  5. Step 5: Solve for x
    x = 1,971,942,133.51/49,867.80
  6. Step 6: Final answer
    x = 39,543.40

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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.