Home / 51,615.60-77,429.40-16,558.80

Finding the Fourth Proportional to 51,615.60, 77,429.40 and 16,558.80

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Solution

The fourth proportional to 51,615.60, 77,429.40 and 16,558.80 is: 24,840.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,615.60 : 77,429.40 = 16,558.80 : x
  2. Step 2: Convert to fraction form
    51,615.60/77,429.40 = 16,558.80/x
  3. Step 3: Cross multiply
    51,615.60x = 77,429.40 × 16,558.80
  4. Step 4: Simplify right side
    51,615.60x = 1,282,137,948.72
  5. Step 5: Solve for x
    x = 1,282,137,948.72/51,615.60
  6. Step 6: Final answer
    x = 24,840.12

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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.