Home / 35,536.18-49,034.68-20,429.48

Finding the Fourth Proportional to 35,536.18, 49,034.68 and 20,429.48

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Solution

The fourth proportional to 35,536.18, 49,034.68 and 20,429.48 is: 28,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,536.18 : 49,034.68 = 20,429.48 : x
  2. Step 2: Convert to fraction form
    35,536.18/49,034.68 = 20,429.48/x
  3. Step 3: Cross multiply
    35,536.18x = 49,034.68 × 20,429.48
  4. Step 4: Simplify right side
    35,536.18x = 1,001,753,014.37
  5. Step 5: Solve for x
    x = 1,001,753,014.37/35,536.18
  6. Step 6: Final answer
    x = 28,189.67

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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.