Home / 46,940.21-64,778.15-28,073.69

Finding the Fourth Proportional to 46,940.21, 64,778.15 and 28,073.69

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Solution

The fourth proportional to 46,940.21, 64,778.15 and 28,073.69 is: 38,742.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.21 : 64,778.15 = 28,073.69 : x
  2. Step 2: Convert to fraction form
    46,940.21/64,778.15 = 28,073.69/x
  3. Step 3: Cross multiply
    46,940.21x = 64,778.15 × 28,073.69
  4. Step 4: Simplify right side
    46,940.21x = 1,818,561,701.87
  5. Step 5: Solve for x
    x = 1,818,561,701.87/46,940.21
  6. Step 6: Final answer
    x = 38,742.09

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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.