Home / 56,490.84-77,957.33-30,997.37

Finding the Fourth Proportional to 56,490.84, 77,957.33 and 30,997.37

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Solution

The fourth proportional to 56,490.84, 77,957.33 and 30,997.37 is: 42,776.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.84 : 77,957.33 = 30,997.37 : x
  2. Step 2: Convert to fraction form
    56,490.84/77,957.33 = 30,997.37/x
  3. Step 3: Cross multiply
    56,490.84x = 77,957.33 × 30,997.37
  4. Step 4: Simplify right side
    56,490.84x = 2,416,472,202.22
  5. Step 5: Solve for x
    x = 2,416,472,202.22/56,490.84
  6. Step 6: Final answer
    x = 42,776.35

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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.