Home / 39,982.04-59,967.48-21,975.92

Finding the Fourth Proportional to 39,982.04, 59,967.48 and 21,975.92

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Solution

The fourth proportional to 39,982.04, 59,967.48 and 21,975.92 is: 32,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,982.04 : 59,967.48 = 21,975.92 : x
  2. Step 2: Convert to fraction form
    39,982.04/59,967.48 = 21,975.92/x
  3. Step 3: Cross multiply
    39,982.04x = 59,967.48 × 21,975.92
  4. Step 4: Simplify right side
    39,982.04x = 1,317,840,543.08
  5. Step 5: Solve for x
    x = 1,317,840,543.08/39,982.04
  6. Step 6: Final answer
    x = 32,960.81

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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.