Home / 50,731.30-70,037.10-37,979.86

Finding the Fourth Proportional to 50,731.30, 70,037.10 and 37,979.86

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Solution

The fourth proportional to 50,731.30, 70,037.10 and 37,979.86 is: 52,433.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.30 : 70,037.10 = 37,979.86 : x
  2. Step 2: Convert to fraction form
    50,731.30/70,037.10 = 37,979.86/x
  3. Step 3: Cross multiply
    50,731.30x = 70,037.10 × 37,979.86
  4. Step 4: Simplify right side
    50,731.30x = 2,659,999,252.81
  5. Step 5: Solve for x
    x = 2,659,999,252.81/50,731.30
  6. Step 6: Final answer
    x = 52,433.10

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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.