Home / 34,683.28-47,863.24-18,767.68

Finding the Fourth Proportional to 34,683.28, 47,863.24 and 18,767.68

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Solution

The fourth proportional to 34,683.28, 47,863.24 and 18,767.68 is: 25,899.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,683.28 : 47,863.24 = 18,767.68 : x
  2. Step 2: Convert to fraction form
    34,683.28/47,863.24 = 18,767.68/x
  3. Step 3: Cross multiply
    34,683.28x = 47,863.24 × 18,767.68
  4. Step 4: Simplify right side
    34,683.28x = 898,281,972.08
  5. Step 5: Solve for x
    x = 898,281,972.08/34,683.28
  6. Step 6: Final answer
    x = 25,899.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.