Home / 34,869.08-48,120.28-18,954.60

Finding the Fourth Proportional to 34,869.08, 48,120.28 and 18,954.60

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Solution

The fourth proportional to 34,869.08, 48,120.28 and 18,954.60 is: 26,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,869.08 : 48,120.28 = 18,954.60 : x
  2. Step 2: Convert to fraction form
    34,869.08/48,120.28 = 18,954.60/x
  3. Step 3: Cross multiply
    34,869.08x = 48,120.28 × 18,954.60
  4. Step 4: Simplify right side
    34,869.08x = 912,100,659.29
  5. Step 5: Solve for x
    x = 912,100,659.29/34,869.08
  6. Step 6: Final answer
    x = 26,157.86

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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.