Home / 51,045.48-76,724.38-42,336.36

Finding the Fourth Proportional to 51,045.48, 76,724.38 and 42,336.36

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Solution

The fourth proportional to 51,045.48, 76,724.38 and 42,336.36 is: 63,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,045.48 : 76,724.38 = 42,336.36 : x
  2. Step 2: Convert to fraction form
    51,045.48/76,724.38 = 42,336.36/x
  3. Step 3: Cross multiply
    51,045.48x = 76,724.38 × 42,336.36
  4. Step 4: Simplify right side
    51,045.48x = 3,248,230,972.46
  5. Step 5: Solve for x
    x = 3,248,230,972.46/51,045.48
  6. Step 6: Final answer
    x = 63,634.06

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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.