Home / 55,327.59-76,349.78-30,177.09

Finding the Fourth Proportional to 55,327.59, 76,349.78 and 30,177.09

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Solution

The fourth proportional to 55,327.59, 76,349.78 and 30,177.09 is: 41,643.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,327.59 : 76,349.78 = 30,177.09 : x
  2. Step 2: Convert to fraction form
    55,327.59/76,349.78 = 30,177.09/x
  3. Step 3: Cross multiply
    55,327.59x = 76,349.78 × 30,177.09
  4. Step 4: Simplify right side
    55,327.59x = 2,304,014,031.65
  5. Step 5: Solve for x
    x = 2,304,014,031.65/55,327.59
  6. Step 6: Final answer
    x = 41,643.13

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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.