Home / 40,820.64-61,152.78-19,698.32

Finding the Fourth Proportional to 40,820.64, 61,152.78 and 19,698.32

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Solution

The fourth proportional to 40,820.64, 61,152.78 and 19,698.32 is: 29,509.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.64 : 61,152.78 = 19,698.32 : x
  2. Step 2: Convert to fraction form
    40,820.64/61,152.78 = 19,698.32/x
  3. Step 3: Cross multiply
    40,820.64x = 61,152.78 × 19,698.32
  4. Step 4: Simplify right side
    40,820.64x = 1,204,607,029.33
  5. Step 5: Solve for x
    x = 1,204,607,029.33/40,820.64
  6. Step 6: Final answer
    x = 29,509.75

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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.