Home / 42,839.74-64,215.06-16,562.53

Finding the Fourth Proportional to 42,839.74, 64,215.06 and 16,562.53

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Solution

The fourth proportional to 42,839.74, 64,215.06 and 16,562.53 is: 24,826.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,839.74 : 64,215.06 = 16,562.53 : x
  2. Step 2: Convert to fraction form
    42,839.74/64,215.06 = 16,562.53/x
  3. Step 3: Cross multiply
    42,839.74x = 64,215.06 × 16,562.53
  4. Step 4: Simplify right side
    42,839.74x = 1,063,563,857.70
  5. Step 5: Solve for x
    x = 1,063,563,857.70/42,839.74
  6. Step 6: Final answer
    x = 24,826.57

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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.