Home / 42,588.49-63,939.26-36,388.34

Finding the Fourth Proportional to 42,588.49, 63,939.26 and 36,388.34

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Solution

The fourth proportional to 42,588.49, 63,939.26 and 36,388.34 is: 54,630.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,588.49 : 63,939.26 = 36,388.34 : x
  2. Step 2: Convert to fraction form
    42,588.49/63,939.26 = 36,388.34/x
  3. Step 3: Cross multiply
    42,588.49x = 63,939.26 × 36,388.34
  4. Step 4: Simplify right side
    42,588.49x = 2,326,643,532.23
  5. Step 5: Solve for x
    x = 2,326,643,532.23/42,588.49
  6. Step 6: Final answer
    x = 54,630.81

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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.