Home / 34,564.60-51,824.58-18,978.04

Finding the Fourth Proportional to 34,564.60, 51,824.58 and 18,978.04

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Solution

The fourth proportional to 34,564.60, 51,824.58 and 18,978.04 is: 28,454.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,564.60 : 51,824.58 = 18,978.04 : x
  2. Step 2: Convert to fraction form
    34,564.60/51,824.58 = 18,978.04/x
  3. Step 3: Cross multiply
    34,564.60x = 51,824.58 × 18,978.04
  4. Step 4: Simplify right side
    34,564.60x = 983,528,952.22
  5. Step 5: Solve for x
    x = 983,528,952.22/34,564.60
  6. Step 6: Final answer
    x = 28,454.80

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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.