Home / 31,225.64-46,856.96-11,518.04

Finding the Fourth Proportional to 31,225.64, 46,856.96 and 11,518.04

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Solution

The fourth proportional to 31,225.64, 46,856.96 and 11,518.04 is: 17,283.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,225.64 : 46,856.96 = 11,518.04 : x
  2. Step 2: Convert to fraction form
    31,225.64/46,856.96 = 11,518.04/x
  3. Step 3: Cross multiply
    31,225.64x = 46,856.96 × 11,518.04
  4. Step 4: Simplify right side
    31,225.64x = 539,700,339.56
  5. Step 5: Solve for x
    x = 539,700,339.56/31,225.64
  6. Step 6: Final answer
    x = 17,283.88

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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.