Home / 57,840.28-86,661.39-31,563.47

Finding the Fourth Proportional to 57,840.28, 86,661.39 and 31,563.47

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Solution

The fourth proportional to 57,840.28, 86,661.39 and 31,563.47 is: 47,291.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.28 : 86,661.39 = 31,563.47 : x
  2. Step 2: Convert to fraction form
    57,840.28/86,661.39 = 31,563.47/x
  3. Step 3: Cross multiply
    57,840.28x = 86,661.39 × 31,563.47
  4. Step 4: Simplify right side
    57,840.28x = 2,735,334,518.44
  5. Step 5: Solve for x
    x = 2,735,334,518.44/57,840.28
  6. Step 6: Final answer
    x = 47,291.17

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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.