Home / 35,735.58-49,315.91-19,819.76

Finding the Fourth Proportional to 35,735.58, 49,315.91 and 19,819.76

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Solution

The fourth proportional to 35,735.58, 49,315.91 and 19,819.76 is: 27,351.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,735.58 : 49,315.91 = 19,819.76 : x
  2. Step 2: Convert to fraction form
    35,735.58/49,315.91 = 19,819.76/x
  3. Step 3: Cross multiply
    35,735.58x = 49,315.91 × 19,819.76
  4. Step 4: Simplify right side
    35,735.58x = 977,429,154.70
  5. Step 5: Solve for x
    x = 977,429,154.70/35,735.58
  6. Step 6: Final answer
    x = 27,351.71

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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.