Home / 53,679.60-80,516.04-16,239.60

Finding the Fourth Proportional to 53,679.60, 80,516.04 and 16,239.60

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Solution

The fourth proportional to 53,679.60, 80,516.04 and 16,239.60 is: 24,358.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,679.60 : 80,516.04 = 16,239.60 : x
  2. Step 2: Convert to fraction form
    53,679.60/80,516.04 = 16,239.60/x
  3. Step 3: Cross multiply
    53,679.60x = 80,516.04 × 16,239.60
  4. Step 4: Simplify right side
    53,679.60x = 1,307,548,283.18
  5. Step 5: Solve for x
    x = 1,307,548,283.18/53,679.60
  6. Step 6: Final answer
    x = 24,358.38

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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.