Home / 38,038.54-57,006.87-21,390.34

Finding the Fourth Proportional to 38,038.54, 57,006.87 and 21,390.34

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Solution

The fourth proportional to 38,038.54, 57,006.87 and 21,390.34 is: 32,056.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,038.54 : 57,006.87 = 21,390.34 : x
  2. Step 2: Convert to fraction form
    38,038.54/57,006.87 = 21,390.34/x
  3. Step 3: Cross multiply
    38,038.54x = 57,006.87 × 21,390.34
  4. Step 4: Simplify right side
    38,038.54x = 1,219,396,331.64
  5. Step 5: Solve for x
    x = 1,219,396,331.64/38,038.54
  6. Step 6: Final answer
    x = 32,056.86

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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.