Home / 35,346.59-48,778.40-20,239.49

Finding the Fourth Proportional to 35,346.59, 48,778.40 and 20,239.49

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Solution

The fourth proportional to 35,346.59, 48,778.40 and 20,239.49 is: 27,930.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.59 : 48,778.40 = 20,239.49 : x
  2. Step 2: Convert to fraction form
    35,346.59/48,778.40 = 20,239.49/x
  3. Step 3: Cross multiply
    35,346.59x = 48,778.40 × 20,239.49
  4. Step 4: Simplify right side
    35,346.59x = 987,249,939.02
  5. Step 5: Solve for x
    x = 987,249,939.02/35,346.59
  6. Step 6: Final answer
    x = 27,930.56

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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.