Home / 42,615.99-58,779.68-36,940.59

Finding the Fourth Proportional to 42,615.99, 58,779.68 and 36,940.59

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Solution

The fourth proportional to 42,615.99, 58,779.68 and 36,940.59 is: 50,951.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,615.99 : 58,779.68 = 36,940.59 : x
  2. Step 2: Convert to fraction form
    42,615.99/58,779.68 = 36,940.59/x
  3. Step 3: Cross multiply
    42,615.99x = 58,779.68 × 36,940.59
  4. Step 4: Simplify right side
    42,615.99x = 2,171,355,874.51
  5. Step 5: Solve for x
    x = 2,171,355,874.51/42,615.99
  6. Step 6: Final answer
    x = 50,951.67

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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.