Home / 61,037.35-91,556.93-18,916.94

Finding the Fourth Proportional to 61,037.35, 91,556.93 and 18,916.94

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Solution

The fourth proportional to 61,037.35, 91,556.93 and 18,916.94 is: 28,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,037.35 : 91,556.93 = 18,916.94 : x
  2. Step 2: Convert to fraction form
    61,037.35/91,556.93 = 18,916.94/x
  3. Step 3: Cross multiply
    61,037.35x = 91,556.93 × 18,916.94
  4. Step 4: Simplify right side
    61,037.35x = 1,731,977,227.58
  5. Step 5: Solve for x
    x = 1,731,977,227.58/61,037.35
  6. Step 6: Final answer
    x = 28,375.70

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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.