Home / 48,333.84-72,512.28-20,634

Finding the Fourth Proportional to 48,333.84, 72,512.28 and 20,634

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Solution

The fourth proportional to 48,333.84, 72,512.28 and 20,634 is: 30,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,333.84 : 72,512.28 = 20,634 : x
  2. Step 2: Convert to fraction form
    48,333.84/72,512.28 = 20,634/x
  3. Step 3: Cross multiply
    48,333.84x = 72,512.28 × 20,634
  4. Step 4: Simplify right side
    48,333.84x = 1,496,218,385.52
  5. Step 5: Solve for x
    x = 1,496,218,385.52/48,333.84
  6. Step 6: Final answer
    x = 30,955.92

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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.