Home / 39,913.07-59,871.42-13,618.04

Finding the Fourth Proportional to 39,913.07, 59,871.42 and 13,618.04

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Solution

The fourth proportional to 39,913.07, 59,871.42 and 13,618.04 is: 20,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,913.07 : 59,871.42 = 13,618.04 : x
  2. Step 2: Convert to fraction form
    39,913.07/59,871.42 = 13,618.04/x
  3. Step 3: Cross multiply
    39,913.07x = 59,871.42 × 13,618.04
  4. Step 4: Simplify right side
    39,913.07x = 815,331,093.06
  5. Step 5: Solve for x
    x = 815,331,093.06/39,913.07
  6. Step 6: Final answer
    x = 20,427.67

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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.