Home / 42,960.60-64,441.98-16,671.24

Finding the Fourth Proportional to 42,960.60, 64,441.98 and 16,671.24

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Solution

The fourth proportional to 42,960.60, 64,441.98 and 16,671.24 is: 25,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,960.60 : 64,441.98 = 16,671.24 : x
  2. Step 2: Convert to fraction form
    42,960.60/64,441.98 = 16,671.24/x
  3. Step 3: Cross multiply
    42,960.60x = 64,441.98 × 16,671.24
  4. Step 4: Simplify right side
    42,960.60x = 1,074,327,714.66
  5. Step 5: Solve for x
    x = 1,074,327,714.66/42,960.60
  6. Step 6: Final answer
    x = 25,007.28

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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.