Home / 31,140.84-46,735.38-11,432.28

Finding the Fourth Proportional to 31,140.84, 46,735.38 and 11,432.28

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Solution

The fourth proportional to 31,140.84, 46,735.38 and 11,432.28 is: 17,157.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,140.84 : 46,735.38 = 11,432.28 : x
  2. Step 2: Convert to fraction form
    31,140.84/46,735.38 = 11,432.28/x
  3. Step 3: Cross multiply
    31,140.84x = 46,735.38 × 11,432.28
  4. Step 4: Simplify right side
    31,140.84x = 534,291,950.07
  5. Step 5: Solve for x
    x = 534,291,950.07/31,140.84
  6. Step 6: Final answer
    x = 17,157.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.