Home / 42,643.66-58,867.44-31,293.10

Finding the Fourth Proportional to 42,643.66, 58,867.44 and 31,293.10

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Solution

The fourth proportional to 42,643.66, 58,867.44 and 31,293.10 is: 43,198.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,643.66 : 58,867.44 = 31,293.10 : x
  2. Step 2: Convert to fraction form
    42,643.66/58,867.44 = 31,293.10/x
  3. Step 3: Cross multiply
    42,643.66x = 58,867.44 × 31,293.10
  4. Step 4: Simplify right side
    42,643.66x = 1,842,144,686.66
  5. Step 5: Solve for x
    x = 1,842,144,686.66/42,643.66
  6. Step 6: Final answer
    x = 43,198.56

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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.