Home / 39,843.20-59,635.20-31,030.40

Finding the Fourth Proportional to 39,843.20, 59,635.20 and 31,030.40

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Solution

The fourth proportional to 39,843.20, 59,635.20 and 31,030.40 is: 46,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.20 : 59,635.20 = 31,030.40 : x
  2. Step 2: Convert to fraction form
    39,843.20/59,635.20 = 31,030.40/x
  3. Step 3: Cross multiply
    39,843.20x = 59,635.20 × 31,030.40
  4. Step 4: Simplify right side
    39,843.20x = 1,850,504,110.08
  5. Step 5: Solve for x
    x = 1,850,504,110.08/39,843.20
  6. Step 6: Final answer
    x = 46,444.67

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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.