Home / 42,984.57-64,480.96-16,691.37

Finding the Fourth Proportional to 42,984.57, 64,480.96 and 16,691.37

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Solution

The fourth proportional to 42,984.57, 64,480.96 and 16,691.37 is: 25,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,984.57 : 64,480.96 = 16,691.37 : x
  2. Step 2: Convert to fraction form
    42,984.57/64,480.96 = 16,691.37/x
  3. Step 3: Cross multiply
    42,984.57x = 64,480.96 × 16,691.37
  4. Step 4: Simplify right side
    42,984.57x = 1,076,275,340.38
  5. Step 5: Solve for x
    x = 1,076,275,340.38/42,984.57
  6. Step 6: Final answer
    x = 25,038.64

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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.