Home / 39,975.81-55,166.27-22,070.43

Finding the Fourth Proportional to 39,975.81, 55,166.27 and 22,070.43

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Solution

The fourth proportional to 39,975.81, 55,166.27 and 22,070.43 is: 30,457.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.81 : 55,166.27 = 22,070.43 : x
  2. Step 2: Convert to fraction form
    39,975.81/55,166.27 = 22,070.43/x
  3. Step 3: Cross multiply
    39,975.81x = 55,166.27 × 22,070.43
  4. Step 4: Simplify right side
    39,975.81x = 1,217,543,396.92
  5. Step 5: Solve for x
    x = 1,217,543,396.92/39,975.81
  6. Step 6: Final answer
    x = 30,457.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.