Home / 51,973.60-77,967.60-18,687.46

Finding the Fourth Proportional to 51,973.60, 77,967.60 and 18,687.46

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Solution

The fourth proportional to 51,973.60, 77,967.60 and 18,687.46 is: 28,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,973.60 : 77,967.60 = 18,687.46 : x
  2. Step 2: Convert to fraction form
    51,973.60/77,967.60 = 18,687.46/x
  3. Step 3: Cross multiply
    51,973.60x = 77,967.60 × 18,687.46
  4. Step 4: Simplify right side
    51,973.60x = 1,457,016,406.30
  5. Step 5: Solve for x
    x = 1,457,016,406.30/51,973.60
  6. Step 6: Final answer
    x = 28,033.78

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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.