Home / 58,070.38-87,084.67-20,109.37

Finding the Fourth Proportional to 58,070.38, 87,084.67 and 20,109.37

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Solution

The fourth proportional to 58,070.38, 87,084.67 and 20,109.37 is: 30,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,070.38 : 87,084.67 = 20,109.37 : x
  2. Step 2: Convert to fraction form
    58,070.38/87,084.67 = 20,109.37/x
  3. Step 3: Cross multiply
    58,070.38x = 87,084.67 × 20,109.37
  4. Step 4: Simplify right side
    58,070.38x = 1,751,217,850.36
  5. Step 5: Solve for x
    x = 1,751,217,850.36/58,070.38
  6. Step 6: Final answer
    x = 30,156.82

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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.