Home / 40,439.82-55,807.08-23,447.40

Finding the Fourth Proportional to 40,439.82, 55,807.08 and 23,447.40

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Solution

The fourth proportional to 40,439.82, 55,807.08 and 23,447.40 is: 32,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.82 : 55,807.08 = 23,447.40 : x
  2. Step 2: Convert to fraction form
    40,439.82/55,807.08 = 23,447.40/x
  3. Step 3: Cross multiply
    40,439.82x = 55,807.08 × 23,447.40
  4. Step 4: Simplify right side
    40,439.82x = 1,308,530,927.59
  5. Step 5: Solve for x
    x = 1,308,530,927.59/40,439.82
  6. Step 6: Final answer
    x = 32,357.49

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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.