Home / 55,412.45-83,080.70-19,873.00

Finding the Fourth Proportional to 55,412.45, 83,080.70 and 19,873.00

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Solution

The fourth proportional to 55,412.45, 83,080.70 and 19,873.00 is: 29,795.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,412.45 : 83,080.70 = 19,873.00 : x
  2. Step 2: Convert to fraction form
    55,412.45/83,080.70 = 19,873.00/x
  3. Step 3: Cross multiply
    55,412.45x = 83,080.70 × 19,873.00
  4. Step 4: Simplify right side
    55,412.45x = 1,651,062,444.03
  5. Step 5: Solve for x
    x = 1,651,062,444.03/55,412.45
  6. Step 6: Final answer
    x = 29,795.88

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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.