Home / 35,448.36-48,918.18-20,340.36

Finding the Fourth Proportional to 35,448.36, 48,918.18 and 20,340.36

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Solution

The fourth proportional to 35,448.36, 48,918.18 and 20,340.36 is: 28,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,448.36 : 48,918.18 = 20,340.36 : x
  2. Step 2: Convert to fraction form
    35,448.36/48,918.18 = 20,340.36/x
  3. Step 3: Cross multiply
    35,448.36x = 48,918.18 × 20,340.36
  4. Step 4: Simplify right side
    35,448.36x = 995,013,391.74
  5. Step 5: Solve for x
    x = 995,013,391.74/35,448.36
  6. Step 6: Final answer
    x = 28,069.38

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1.5x scale

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.