Home / 51,931.99-71,660.66-29,270.42

Finding the Fourth Proportional to 51,931.99, 71,660.66 and 29,270.42

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Solution

The fourth proportional to 51,931.99, 71,660.66 and 29,270.42 is: 40,390.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,931.99 : 71,660.66 = 29,270.42 : x
  2. Step 2: Convert to fraction form
    51,931.99/71,660.66 = 29,270.42/x
  3. Step 3: Cross multiply
    51,931.99x = 71,660.66 × 29,270.42
  4. Step 4: Simplify right side
    51,931.99x = 2,097,537,615.68
  5. Step 5: Solve for x
    x = 2,097,537,615.68/51,931.99
  6. Step 6: Final answer
    x = 40,390.09

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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.