Home / 55,579.36-83,307.88-27,457.78

Finding the Fourth Proportional to 55,579.36, 83,307.88 and 27,457.78

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Solution

The fourth proportional to 55,579.36, 83,307.88 and 27,457.78 is: 41,156.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.36 : 83,307.88 = 27,457.78 : x
  2. Step 2: Convert to fraction form
    55,579.36/83,307.88 = 27,457.78/x
  3. Step 3: Cross multiply
    55,579.36x = 83,307.88 × 27,457.78
  4. Step 4: Simplify right side
    55,579.36x = 2,287,449,441.31
  5. Step 5: Solve for x
    x = 2,287,449,441.31/55,579.36
  6. Step 6: Final answer
    x = 41,156.46

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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.