Home / 31,441.06-47,160.60-11,719.81

Finding the Fourth Proportional to 31,441.06, 47,160.60 and 11,719.81

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Solution

The fourth proportional to 31,441.06, 47,160.60 and 11,719.81 is: 17,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,441.06 : 47,160.60 = 11,719.81 : x
  2. Step 2: Convert to fraction form
    31,441.06/47,160.60 = 11,719.81/x
  3. Step 3: Cross multiply
    31,441.06x = 47,160.60 × 11,719.81
  4. Step 4: Simplify right side
    31,441.06x = 552,713,271.49
  5. Step 5: Solve for x
    x = 552,713,271.49/31,441.06
  6. Step 6: Final answer
    x = 17,579.35

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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.