Home / 35,318.84-48,737.30-21,168.95

Finding the Fourth Proportional to 35,318.84, 48,737.30 and 21,168.95

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Solution

The fourth proportional to 35,318.84, 48,737.30 and 21,168.95 is: 29,211.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.84 : 48,737.30 = 21,168.95 : x
  2. Step 2: Convert to fraction form
    35,318.84/48,737.30 = 21,168.95/x
  3. Step 3: Cross multiply
    35,318.84x = 48,737.30 × 21,168.95
  4. Step 4: Simplify right side
    35,318.84x = 1,031,717,117.30
  5. Step 5: Solve for x
    x = 1,031,717,117.30/35,318.84
  6. Step 6: Final answer
    x = 29,211.53

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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.