Home / 51,719.04-77,612.58-28,361.88

Finding the Fourth Proportional to 51,719.04, 77,612.58 and 28,361.88

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Solution

The fourth proportional to 51,719.04, 77,612.58 and 28,361.88 is: 42,561.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,719.04 : 77,612.58 = 28,361.88 : x
  2. Step 2: Convert to fraction form
    51,719.04/77,612.58 = 28,361.88/x
  3. Step 3: Cross multiply
    51,719.04x = 77,612.58 × 28,361.88
  4. Step 4: Simplify right side
    51,719.04x = 2,201,238,680.45
  5. Step 5: Solve for x
    x = 2,201,238,680.45/51,719.04
  6. Step 6: Final answer
    x = 42,561.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.