Home / 55,525.08-83,320.38-20,489.34

Finding the Fourth Proportional to 55,525.08, 83,320.38 and 20,489.34

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Solution

The fourth proportional to 55,525.08, 83,320.38 and 20,489.34 is: 30,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,525.08 : 83,320.38 = 20,489.34 : x
  2. Step 2: Convert to fraction form
    55,525.08/83,320.38 = 20,489.34/x
  3. Step 3: Cross multiply
    55,525.08x = 83,320.38 × 20,489.34
  4. Step 4: Simplify right side
    55,525.08x = 1,707,179,594.75
  5. Step 5: Solve for x
    x = 1,707,179,594.75/55,525.08
  6. Step 6: Final answer
    x = 30,746.10

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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.