Home / 35,346.94-48,778.88-20,239.83

Finding the Fourth Proportional to 35,346.94, 48,778.88 and 20,239.83

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Solution

The fourth proportional to 35,346.94, 48,778.88 and 20,239.83 is: 27,931.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.94 : 48,778.88 = 20,239.83 : x
  2. Step 2: Convert to fraction form
    35,346.94/48,778.88 = 20,239.83/x
  3. Step 3: Cross multiply
    35,346.94x = 48,778.88 × 20,239.83
  4. Step 4: Simplify right side
    35,346.94x = 987,276,238.79
  5. Step 5: Solve for x
    x = 987,276,238.79/35,346.94
  6. Step 6: Final answer
    x = 27,931.02

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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.