Home / 39,828.90-59,729.96-20,094.86

Finding the Fourth Proportional to 39,828.90, 59,729.96 and 20,094.86

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Solution

The fourth proportional to 39,828.90, 59,729.96 and 20,094.86 is: 30,135.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,828.90 : 59,729.96 = 20,094.86 : x
  2. Step 2: Convert to fraction form
    39,828.90/59,729.96 = 20,094.86/x
  3. Step 3: Cross multiply
    39,828.90x = 59,729.96 × 20,094.86
  4. Step 4: Simplify right side
    39,828.90x = 1,200,265,184.01
  5. Step 5: Solve for x
    x = 1,200,265,184.01/39,828.90
  6. Step 6: Final answer
    x = 30,135.53

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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.