Home / 29,081.20-43,586.60-13,264.57

Finding the Fourth Proportional to 29,081.20, 43,586.60 and 13,264.57

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Solution

The fourth proportional to 29,081.20, 43,586.60 and 13,264.57 is: 19,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.20 : 43,586.60 = 13,264.57 : x
  2. Step 2: Convert to fraction form
    29,081.20/43,586.60 = 13,264.57/x
  3. Step 3: Cross multiply
    29,081.20x = 43,586.60 × 13,264.57
  4. Step 4: Simplify right side
    29,081.20x = 578,157,506.76
  5. Step 5: Solve for x
    x = 578,157,506.76/29,081.20
  6. Step 6: Final answer
    x = 19,880.80

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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.