Home / 50,812.36-70,123.56-30,668.92

Finding the Fourth Proportional to 50,812.36, 70,123.56 and 30,668.92

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Solution

The fourth proportional to 50,812.36, 70,123.56 and 30,668.92 is: 42,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,812.36 : 70,123.56 = 30,668.92 : x
  2. Step 2: Convert to fraction form
    50,812.36/70,123.56 = 30,668.92/x
  3. Step 3: Cross multiply
    50,812.36x = 70,123.56 × 30,668.92
  4. Step 4: Simplify right side
    50,812.36x = 2,150,613,851.76
  5. Step 5: Solve for x
    x = 2,150,613,851.76/50,812.36
  6. Step 6: Final answer
    x = 42,324.62

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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.