Home / 55,386.73-76,497.42-40,346.65

Finding the Fourth Proportional to 55,386.73, 76,497.42 and 40,346.65

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Solution

The fourth proportional to 55,386.73, 76,497.42 and 40,346.65 is: 55,724.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,386.73 : 76,497.42 = 40,346.65 : x
  2. Step 2: Convert to fraction form
    55,386.73/76,497.42 = 40,346.65/x
  3. Step 3: Cross multiply
    55,386.73x = 76,497.42 × 40,346.65
  4. Step 4: Simplify right side
    55,386.73x = 3,086,414,630.64
  5. Step 5: Solve for x
    x = 3,086,414,630.64/55,386.73
  6. Step 6: Final answer
    x = 55,724.80

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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.