Home / 38,181.48-57,258.50-13,214.76

Finding the Fourth Proportional to 38,181.48, 57,258.50 and 13,214.76

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Solution

The fourth proportional to 38,181.48, 57,258.50 and 13,214.76 is: 19,817.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,181.48 : 57,258.50 = 13,214.76 : x
  2. Step 2: Convert to fraction form
    38,181.48/57,258.50 = 13,214.76/x
  3. Step 3: Cross multiply
    38,181.48x = 57,258.50 × 13,214.76
  4. Step 4: Simplify right side
    38,181.48x = 756,657,269.39
  5. Step 5: Solve for x
    x = 756,657,269.39/38,181.48
  6. Step 6: Final answer
    x = 19,817.39

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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.