Home / 42,636.54-63,960.64-14,549.04

Finding the Fourth Proportional to 42,636.54, 63,960.64 and 14,549.04

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Solution

The fourth proportional to 42,636.54, 63,960.64 and 14,549.04 is: 21,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,636.54 : 63,960.64 = 14,549.04 : x
  2. Step 2: Convert to fraction form
    42,636.54/63,960.64 = 14,549.04/x
  3. Step 3: Cross multiply
    42,636.54x = 63,960.64 × 14,549.04
  4. Step 4: Simplify right side
    42,636.54x = 930,565,909.79
  5. Step 5: Solve for x
    x = 930,565,909.79/42,636.54
  6. Step 6: Final answer
    x = 21,825.55

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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.