Home / 42,629.64-63,945-16,335.96

Finding the Fourth Proportional to 42,629.64, 63,945 and 16,335.96

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Solution

The fourth proportional to 42,629.64, 63,945 and 16,335.96 is: 24,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,629.64 : 63,945 = 16,335.96 : x
  2. Step 2: Convert to fraction form
    42,629.64/63,945 = 16,335.96/x
  3. Step 3: Cross multiply
    42,629.64x = 63,945 × 16,335.96
  4. Step 4: Simplify right side
    42,629.64x = 1,044,602,962.20
  5. Step 5: Solve for x
    x = 1,044,602,962.20/42,629.64
  6. Step 6: Final answer
    x = 24,504.15

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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.