Home / 46,772.40-64,564.38-28,874.64

Finding the Fourth Proportional to 46,772.40, 64,564.38 and 28,874.64

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Solution

The fourth proportional to 46,772.40, 64,564.38 and 28,874.64 is: 39,858.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,772.40 : 64,564.38 = 28,874.64 : x
  2. Step 2: Convert to fraction form
    46,772.40/64,564.38 = 28,874.64/x
  3. Step 3: Cross multiply
    46,772.40x = 64,564.38 × 28,874.64
  4. Step 4: Simplify right side
    46,772.40x = 1,864,273,229.32
  5. Step 5: Solve for x
    x = 1,864,273,229.32/46,772.40
  6. Step 6: Final answer
    x = 39,858.40

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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.