Home / 42,661.40-63,905.70-24,171.80

Finding the Fourth Proportional to 42,661.40, 63,905.70 and 24,171.80

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Solution

The fourth proportional to 42,661.40, 63,905.70 and 24,171.80 is: 36,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,661.40 : 63,905.70 = 24,171.80 : x
  2. Step 2: Convert to fraction form
    42,661.40/63,905.70 = 24,171.80/x
  3. Step 3: Cross multiply
    42,661.40x = 63,905.70 × 24,171.80
  4. Step 4: Simplify right side
    42,661.40x = 1,544,715,799.26
  5. Step 5: Solve for x
    x = 1,544,715,799.26/42,661.40
  6. Step 6: Final answer
    x = 36,208.75

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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.