Home / 34,703.18-47,890.32-18,787.62

Finding the Fourth Proportional to 34,703.18, 47,890.32 and 18,787.62

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Solution

The fourth proportional to 34,703.18, 47,890.32 and 18,787.62 is: 25,926.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,703.18 : 47,890.32 = 18,787.62 : x
  2. Step 2: Convert to fraction form
    34,703.18/47,890.32 = 18,787.62/x
  3. Step 3: Cross multiply
    34,703.18x = 47,890.32 × 18,787.62
  4. Step 4: Simplify right side
    34,703.18x = 899,745,133.84
  5. Step 5: Solve for x
    x = 899,745,133.84/34,703.18
  6. Step 6: Final answer
    x = 25,926.88

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1.5x scale

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.