Home / 42,387.84-63,560.16-16,072.56

Finding the Fourth Proportional to 42,387.84, 63,560.16 and 16,072.56

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Solution

The fourth proportional to 42,387.84, 63,560.16 and 16,072.56 is: 24,100.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,387.84 : 63,560.16 = 16,072.56 : x
  2. Step 2: Convert to fraction form
    42,387.84/63,560.16 = 16,072.56/x
  3. Step 3: Cross multiply
    42,387.84x = 63,560.16 × 16,072.56
  4. Step 4: Simplify right side
    42,387.84x = 1,021,574,485.21
  5. Step 5: Solve for x
    x = 1,021,574,485.21/42,387.84
  6. Step 6: Final answer
    x = 24,100.65

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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.