Home / 50,142.30-75,213.56-12,702.38

Finding the Fourth Proportional to 50,142.30, 75,213.56 and 12,702.38

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Solution

The fourth proportional to 50,142.30, 75,213.56 and 12,702.38 is: 19,053.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,142.30 : 75,213.56 = 12,702.38 : x
  2. Step 2: Convert to fraction form
    50,142.30/75,213.56 = 12,702.38/x
  3. Step 3: Cross multiply
    50,142.30x = 75,213.56 × 12,702.38
  4. Step 4: Simplify right side
    50,142.30x = 955,390,875.96
  5. Step 5: Solve for x
    x = 955,390,875.96/50,142.30
  6. Step 6: Final answer
    x = 19,053.59

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1.5x scale

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.