Home / 39,707.87-59,563.22-19,975.68

Finding the Fourth Proportional to 39,707.87, 59,563.22 and 19,975.68

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Solution

The fourth proportional to 39,707.87, 59,563.22 and 19,975.68 is: 29,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,707.87 : 59,563.22 = 19,975.68 : x
  2. Step 2: Convert to fraction form
    39,707.87/59,563.22 = 19,975.68/x
  3. Step 3: Cross multiply
    39,707.87x = 59,563.22 × 19,975.68
  4. Step 4: Simplify right side
    39,707.87x = 1,189,815,722.61
  5. Step 5: Solve for x
    x = 1,189,815,722.61/39,707.87
  6. Step 6: Final answer
    x = 29,964.23

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1.5x scale

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.