Home / 51,790.40-71,452.32-30,559.04

Finding the Fourth Proportional to 51,790.40, 71,452.32 and 30,559.04

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Solution

The fourth proportional to 51,790.40, 71,452.32 and 30,559.04 is: 42,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,790.40 : 71,452.32 = 30,559.04 : x
  2. Step 2: Convert to fraction form
    51,790.40/71,452.32 = 30,559.04/x
  3. Step 3: Cross multiply
    51,790.40x = 71,452.32 × 30,559.04
  4. Step 4: Simplify right side
    51,790.40x = 2,183,514,304.97
  5. Step 5: Solve for x
    x = 2,183,514,304.97/51,790.40
  6. Step 6: Final answer
    x = 42,160.60

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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.