Home / 55,323.52-76,345.92-30,171.52

Finding the Fourth Proportional to 55,323.52, 76,345.92 and 30,171.52

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Solution

The fourth proportional to 55,323.52, 76,345.92 and 30,171.52 is: 41,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,323.52 : 76,345.92 = 30,171.52 : x
  2. Step 2: Convert to fraction form
    55,323.52/76,345.92 = 30,171.52/x
  3. Step 3: Cross multiply
    55,323.52x = 76,345.92 × 30,171.52
  4. Step 4: Simplify right side
    55,323.52x = 2,303,472,452.20
  5. Step 5: Solve for x
    x = 2,303,472,452.20/55,323.52
  6. Step 6: Final answer
    x = 41,636.40

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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.