Home / 47,702.42-71,558.53-12,642.08

Finding the Fourth Proportional to 47,702.42, 71,558.53 and 12,642.08

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Solution

The fourth proportional to 47,702.42, 71,558.53 and 12,642.08 is: 18,964.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,702.42 : 71,558.53 = 12,642.08 : x
  2. Step 2: Convert to fraction form
    47,702.42/71,558.53 = 12,642.08/x
  3. Step 3: Cross multiply
    47,702.42x = 71,558.53 × 12,642.08
  4. Step 4: Simplify right side
    47,702.42x = 904,648,660.94
  5. Step 5: Solve for x
    x = 904,648,660.94/47,702.42
  6. Step 6: Final answer
    x = 18,964.42

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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.