Home / 51,148.46-76,643.11-19,541.28

Finding the Fourth Proportional to 51,148.46, 76,643.11 and 19,541.28

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Solution

The fourth proportional to 51,148.46, 76,643.11 and 19,541.28 is: 29,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,148.46 : 76,643.11 = 19,541.28 : x
  2. Step 2: Convert to fraction form
    51,148.46/76,643.11 = 19,541.28/x
  3. Step 3: Cross multiply
    51,148.46x = 76,643.11 × 19,541.28
  4. Step 4: Simplify right side
    51,148.46x = 1,497,704,784.42
  5. Step 5: Solve for x
    x = 1,497,704,784.42/51,148.46
  6. Step 6: Final answer
    x = 29,281.52

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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.