Home / 39,835.20-59,623.20-31,022.40

Finding the Fourth Proportional to 39,835.20, 59,623.20 and 31,022.40

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Solution

The fourth proportional to 39,835.20, 59,623.20 and 31,022.40 is: 46,432.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,835.20 : 59,623.20 = 31,022.40 : x
  2. Step 2: Convert to fraction form
    39,835.20/59,623.20 = 31,022.40/x
  3. Step 3: Cross multiply
    39,835.20x = 59,623.20 × 31,022.40
  4. Step 4: Simplify right side
    39,835.20x = 1,849,654,759.68
  5. Step 5: Solve for x
    x = 1,849,654,759.68/39,835.20
  6. Step 6: Final answer
    x = 46,432.67

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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.