Home / 35,987.76-49,662.05-20,071.85

Finding the Fourth Proportional to 35,987.76, 49,662.05 and 20,071.85

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Solution

The fourth proportional to 35,987.76, 49,662.05 and 20,071.85 is: 27,698.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.76 : 49,662.05 = 20,071.85 : x
  2. Step 2: Convert to fraction form
    35,987.76/49,662.05 = 20,071.85/x
  3. Step 3: Cross multiply
    35,987.76x = 49,662.05 × 20,071.85
  4. Step 4: Simplify right side
    35,987.76x = 996,808,869.62
  5. Step 5: Solve for x
    x = 996,808,869.62/35,987.76
  6. Step 6: Final answer
    x = 27,698.55

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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.