Home / 55,340.79-76,369.94-31,467.47

Finding the Fourth Proportional to 55,340.79, 76,369.94 and 31,467.47

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Solution

The fourth proportional to 55,340.79, 76,369.94 and 31,467.47 is: 43,424.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,340.79 : 76,369.94 = 31,467.47 : x
  2. Step 2: Convert to fraction form
    55,340.79/76,369.94 = 31,467.47/x
  3. Step 3: Cross multiply
    55,340.79x = 76,369.94 × 31,467.47
  4. Step 4: Simplify right side
    55,340.79x = 2,403,168,256.66
  5. Step 5: Solve for x
    x = 2,403,168,256.66/55,340.79
  6. Step 6: Final answer
    x = 43,424.90

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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.