Home / 35,530.04-49,029.71-20,412

Finding the Fourth Proportional to 35,530.04, 49,029.71 and 20,412

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Solution

The fourth proportional to 35,530.04, 49,029.71 and 20,412 is: 28,167.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,530.04 : 49,029.71 = 20,412 : x
  2. Step 2: Convert to fraction form
    35,530.04/49,029.71 = 20,412/x
  3. Step 3: Cross multiply
    35,530.04x = 49,029.71 × 20,412
  4. Step 4: Simplify right side
    35,530.04x = 1,000,794,338.46
  5. Step 5: Solve for x
    x = 1,000,794,338.46/35,530.04
  6. Step 6: Final answer
    x = 28,167.55

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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.