Home / 34,985.44-48,279.92-19,878.13

Finding the Fourth Proportional to 34,985.44, 48,279.92 and 19,878.13

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Solution

The fourth proportional to 34,985.44, 48,279.92 and 19,878.13 is: 27,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,985.44 : 48,279.92 = 19,878.13 : x
  2. Step 2: Convert to fraction form
    34,985.44/48,279.92 = 19,878.13/x
  3. Step 3: Cross multiply
    34,985.44x = 48,279.92 × 19,878.13
  4. Step 4: Simplify right side
    34,985.44x = 959,714,383.26
  5. Step 5: Solve for x
    x = 959,714,383.26/34,985.44
  6. Step 6: Final answer
    x = 27,431.82

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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.