Home / 35,415.50-48,869.33-20,304

Finding the Fourth Proportional to 35,415.50, 48,869.33 and 20,304

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Solution

The fourth proportional to 35,415.50, 48,869.33 and 20,304 is: 28,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,415.50 : 48,869.33 = 20,304 : x
  2. Step 2: Convert to fraction form
    35,415.50/48,869.33 = 20,304/x
  3. Step 3: Cross multiply
    35,415.50x = 48,869.33 × 20,304
  4. Step 4: Simplify right side
    35,415.50x = 992,242,774.80
  5. Step 5: Solve for x
    x = 992,242,774.80/35,415.50
  6. Step 6: Final answer
    x = 28,017.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.