Home / 42,239.94-63,335.30-18,546.54

Finding the Fourth Proportional to 42,239.94, 63,335.30 and 18,546.54

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Solution

The fourth proportional to 42,239.94, 63,335.30 and 18,546.54 is: 27,809.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.94 : 63,335.30 = 18,546.54 : x
  2. Step 2: Convert to fraction form
    42,239.94/63,335.30 = 18,546.54/x
  3. Step 3: Cross multiply
    42,239.94x = 63,335.30 × 18,546.54
  4. Step 4: Simplify right side
    42,239.94x = 1,174,650,674.86
  5. Step 5: Solve for x
    x = 1,174,650,674.86/42,239.94
  6. Step 6: Final answer
    x = 27,809.00

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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.