Home / 36,818.60-55,244.30-13,439.57

Finding the Fourth Proportional to 36,818.60, 55,244.30 and 13,439.57

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Solution

The fourth proportional to 36,818.60, 55,244.30 and 13,439.57 is: 20,165.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,818.60 : 55,244.30 = 13,439.57 : x
  2. Step 2: Convert to fraction form
    36,818.60/55,244.30 = 13,439.57/x
  3. Step 3: Cross multiply
    36,818.60x = 55,244.30 × 13,439.57
  4. Step 4: Simplify right side
    36,818.60x = 742,459,293.53
  5. Step 5: Solve for x
    x = 742,459,293.53/36,818.60
  6. Step 6: Final answer
    x = 20,165.33

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1.5x scale

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.