Home / 42,495.64-63,749.36-18,801.32

Finding the Fourth Proportional to 42,495.64, 63,749.36 and 18,801.32

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Solution

The fourth proportional to 42,495.64, 63,749.36 and 18,801.32 is: 28,204.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,495.64 : 63,749.36 = 18,801.32 : x
  2. Step 2: Convert to fraction form
    42,495.64/63,749.36 = 18,801.32/x
  3. Step 3: Cross multiply
    42,495.64x = 63,749.36 × 18,801.32
  4. Step 4: Simplify right side
    42,495.64x = 1,198,571,845.41
  5. Step 5: Solve for x
    x = 1,198,571,845.41/42,495.64
  6. Step 6: Final answer
    x = 28,204.59

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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.