Home / 39,946.80-55,125.64-22,041.84

Finding the Fourth Proportional to 39,946.80, 55,125.64 and 22,041.84

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Solution

The fourth proportional to 39,946.80, 55,125.64 and 22,041.84 is: 30,417.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,946.80 : 55,125.64 = 22,041.84 : x
  2. Step 2: Convert to fraction form
    39,946.80/55,125.64 = 22,041.84/x
  3. Step 3: Cross multiply
    39,946.80x = 55,125.64 × 22,041.84
  4. Step 4: Simplify right side
    39,946.80x = 1,215,070,536.78
  5. Step 5: Solve for x
    x = 1,215,070,536.78/39,946.80
  6. Step 6: Final answer
    x = 30,417.22

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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.