Home / 52,431.44-78,577.08-19,120.24

Finding the Fourth Proportional to 52,431.44, 78,577.08 and 19,120.24

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Solution

The fourth proportional to 52,431.44, 78,577.08 and 19,120.24 is: 28,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,431.44 : 78,577.08 = 19,120.24 : x
  2. Step 2: Convert to fraction form
    52,431.44/78,577.08 = 19,120.24/x
  3. Step 3: Cross multiply
    52,431.44x = 78,577.08 × 19,120.24
  4. Step 4: Simplify right side
    52,431.44x = 1,502,412,628.10
  5. Step 5: Solve for x
    x = 1,502,412,628.10/52,431.44
  6. Step 6: Final answer
    x = 28,654.80

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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.