Home / 53,813.57-80,609.18-31,559.93

Finding the Fourth Proportional to 53,813.57, 80,609.18 and 31,559.93

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Solution

The fourth proportional to 53,813.57, 80,609.18 and 31,559.93 is: 47,274.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,813.57 : 80,609.18 = 31,559.93 : x
  2. Step 2: Convert to fraction form
    53,813.57/80,609.18 = 31,559.93/x
  3. Step 3: Cross multiply
    53,813.57x = 80,609.18 × 31,559.93
  4. Step 4: Simplify right side
    53,813.57x = 2,544,019,819.60
  5. Step 5: Solve for x
    x = 2,544,019,819.60/53,813.57
  6. Step 6: Final answer
    x = 47,274.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.