Home / 56,172.72-77,533.84-34,939.36

Finding the Fourth Proportional to 56,172.72, 77,533.84 and 34,939.36

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Solution

The fourth proportional to 56,172.72, 77,533.84 and 34,939.36 is: 48,225.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,172.72 : 77,533.84 = 34,939.36 : x
  2. Step 2: Convert to fraction form
    56,172.72/77,533.84 = 34,939.36/x
  3. Step 3: Cross multiply
    56,172.72x = 77,533.84 × 34,939.36
  4. Step 4: Simplify right side
    56,172.72x = 2,708,982,747.94
  5. Step 5: Solve for x
    x = 2,708,982,747.94/56,172.72
  6. Step 6: Final answer
    x = 48,225.95

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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.