Home / 43,586.71-65,386.58-18,626.63

Finding the Fourth Proportional to 43,586.71, 65,386.58 and 18,626.63

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Solution

The fourth proportional to 43,586.71, 65,386.58 and 18,626.63 is: 27,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,586.71 : 65,386.58 = 18,626.63 : x
  2. Step 2: Convert to fraction form
    43,586.71/65,386.58 = 18,626.63/x
  3. Step 3: Cross multiply
    43,586.71x = 65,386.58 × 18,626.63
  4. Step 4: Simplify right side
    43,586.71x = 1,217,931,212.56
  5. Step 5: Solve for x
    x = 1,217,931,212.56/43,586.71
  6. Step 6: Final answer
    x = 27,942.72

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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.