Home / 31,200.60-46,819.40-11,492.96

Finding the Fourth Proportional to 31,200.60, 46,819.40 and 11,492.96

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Solution

The fourth proportional to 31,200.60, 46,819.40 and 11,492.96 is: 17,246.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,200.60 : 46,819.40 = 11,492.96 : x
  2. Step 2: Convert to fraction form
    31,200.60/46,819.40 = 11,492.96/x
  3. Step 3: Cross multiply
    31,200.60x = 46,819.40 × 11,492.96
  4. Step 4: Simplify right side
    31,200.60x = 538,093,491.42
  5. Step 5: Solve for x
    x = 538,093,491.42/31,200.60
  6. Step 6: Final answer
    x = 17,246.25

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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.