Home / 40,212.32-55,376.04-37,645.08

Finding the Fourth Proportional to 40,212.32, 55,376.04 and 37,645.08

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Solution

The fourth proportional to 40,212.32, 55,376.04 and 37,645.08 is: 51,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,212.32 : 55,376.04 = 37,645.08 : x
  2. Step 2: Convert to fraction form
    40,212.32/55,376.04 = 37,645.08/x
  3. Step 3: Cross multiply
    40,212.32x = 55,376.04 × 37,645.08
  4. Step 4: Simplify right side
    40,212.32x = 2,084,635,455.88
  5. Step 5: Solve for x
    x = 2,084,635,455.88/40,212.32
  6. Step 6: Final answer
    x = 51,840.72

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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.