Home / 57,980.16-86,982.66-17,998.27

Finding the Fourth Proportional to 57,980.16, 86,982.66 and 17,998.27

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Solution

The fourth proportional to 57,980.16, 86,982.66 and 17,998.27 is: 27,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.16 : 86,982.66 = 17,998.27 : x
  2. Step 2: Convert to fraction form
    57,980.16/86,982.66 = 17,998.27/x
  3. Step 3: Cross multiply
    57,980.16x = 86,982.66 × 17,998.27
  4. Step 4: Simplify right side
    57,980.16x = 1,565,536,875.09
  5. Step 5: Solve for x
    x = 1,565,536,875.09/57,980.16
  6. Step 6: Final answer
    x = 27,001.25

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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.