Home / 51,564.40-77,346.60-16,505.20

Finding the Fourth Proportional to 51,564.40, 77,346.60 and 16,505.20

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Solution

The fourth proportional to 51,564.40, 77,346.60 and 16,505.20 is: 24,757.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,564.40 : 77,346.60 = 16,505.20 : x
  2. Step 2: Convert to fraction form
    51,564.40/77,346.60 = 16,505.20/x
  3. Step 3: Cross multiply
    51,564.40x = 77,346.60 × 16,505.20
  4. Step 4: Simplify right side
    51,564.40x = 1,276,621,102.32
  5. Step 5: Solve for x
    x = 1,276,621,102.32/51,564.40
  6. Step 6: Final answer
    x = 24,757.80

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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.