Home / 42,441.68-63,602.24-31,260.64

Finding the Fourth Proportional to 42,441.68, 63,602.24 and 31,260.64

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Solution

The fourth proportional to 42,441.68, 63,602.24 and 31,260.64 is: 46,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,441.68 : 63,602.24 = 31,260.64 : x
  2. Step 2: Convert to fraction form
    42,441.68/63,602.24 = 31,260.64/x
  3. Step 3: Cross multiply
    42,441.68x = 63,602.24 × 31,260.64
  4. Step 4: Simplify right side
    42,441.68x = 1,988,246,727.83
  5. Step 5: Solve for x
    x = 1,988,246,727.83/42,441.68
  6. Step 6: Final answer
    x = 46,846.56

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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.