Home / 51,181.02-70,628.72-28,519.92

Finding the Fourth Proportional to 51,181.02, 70,628.72 and 28,519.92

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Solution

The fourth proportional to 51,181.02, 70,628.72 and 28,519.92 is: 39,356.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,181.02 : 70,628.72 = 28,519.92 : x
  2. Step 2: Convert to fraction form
    51,181.02/70,628.72 = 28,519.92/x
  3. Step 3: Cross multiply
    51,181.02x = 70,628.72 × 28,519.92
  4. Step 4: Simplify right side
    51,181.02x = 2,014,325,444.10
  5. Step 5: Solve for x
    x = 2,014,325,444.10/51,181.02
  6. Step 6: Final answer
    x = 39,356.88

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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.