Home / 52,390.89-72,295.20-36,509.64

Finding the Fourth Proportional to 52,390.89, 72,295.20 and 36,509.64

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Solution

The fourth proportional to 52,390.89, 72,295.20 and 36,509.64 is: 50,380.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.89 : 72,295.20 = 36,509.64 : x
  2. Step 2: Convert to fraction form
    52,390.89/72,295.20 = 36,509.64/x
  3. Step 3: Cross multiply
    52,390.89x = 72,295.20 × 36,509.64
  4. Step 4: Simplify right side
    52,390.89x = 2,639,471,725.73
  5. Step 5: Solve for x
    x = 2,639,471,725.73/52,390.89
  6. Step 6: Final answer
    x = 50,380.36

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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.