Home / 55,282.14-76,289.18-30,131.64

Finding the Fourth Proportional to 55,282.14, 76,289.18 and 30,131.64

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Solution

The fourth proportional to 55,282.14, 76,289.18 and 30,131.64 is: 41,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,282.14 : 76,289.18 = 30,131.64 : x
  2. Step 2: Convert to fraction form
    55,282.14/76,289.18 = 30,131.64/x
  3. Step 3: Cross multiply
    55,282.14x = 76,289.18 × 30,131.64
  4. Step 4: Simplify right side
    55,282.14x = 2,298,717,957.00
  5. Step 5: Solve for x
    x = 2,298,717,957.00/55,282.14
  6. Step 6: Final answer
    x = 41,581.57

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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.