Home / 39,823.36-59,771.95-20,115.75

Finding the Fourth Proportional to 39,823.36, 59,771.95 and 20,115.75

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Solution

The fourth proportional to 39,823.36, 59,771.95 and 20,115.75 is: 30,192.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,823.36 : 59,771.95 = 20,115.75 : x
  2. Step 2: Convert to fraction form
    39,823.36/59,771.95 = 20,115.75/x
  3. Step 3: Cross multiply
    39,823.36x = 59,771.95 × 20,115.75
  4. Step 4: Simplify right side
    39,823.36x = 1,202,357,777.07
  5. Step 5: Solve for x
    x = 1,202,357,777.07/39,823.36
  6. Step 6: Final answer
    x = 30,192.28

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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.