Home / 42,005.53-62,997.36-19,813.06

Finding the Fourth Proportional to 42,005.53, 62,997.36 and 19,813.06

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Solution

The fourth proportional to 42,005.53, 62,997.36 and 19,813.06 is: 29,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,005.53 : 62,997.36 = 19,813.06 : x
  2. Step 2: Convert to fraction form
    42,005.53/62,997.36 = 19,813.06/x
  3. Step 3: Cross multiply
    42,005.53x = 62,997.36 × 19,813.06
  4. Step 4: Simplify right side
    42,005.53x = 1,248,170,473.52
  5. Step 5: Solve for x
    x = 1,248,170,473.52/42,005.53
  6. Step 6: Final answer
    x = 29,714.43

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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.