Home / 55,828.35-77,043.41-30,334.78

Finding the Fourth Proportional to 55,828.35, 77,043.41 and 30,334.78

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Solution

The fourth proportional to 55,828.35, 77,043.41 and 30,334.78 is: 41,862.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,828.35 : 77,043.41 = 30,334.78 : x
  2. Step 2: Convert to fraction form
    55,828.35/77,043.41 = 30,334.78/x
  3. Step 3: Cross multiply
    55,828.35x = 77,043.41 × 30,334.78
  4. Step 4: Simplify right side
    55,828.35x = 2,337,094,892.80
  5. Step 5: Solve for x
    x = 2,337,094,892.80/55,828.35
  6. Step 6: Final answer
    x = 41,862.15

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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.