Home / 55,277.07-76,282.38-30,126.57

Finding the Fourth Proportional to 55,277.07, 76,282.38 and 30,126.57

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Solution

The fourth proportional to 55,277.07, 76,282.38 and 30,126.57 is: 41,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.07 : 76,282.38 = 30,126.57 : x
  2. Step 2: Convert to fraction form
    55,277.07/76,282.38 = 30,126.57/x
  3. Step 3: Cross multiply
    55,277.07x = 76,282.38 × 30,126.57
  4. Step 4: Simplify right side
    55,277.07x = 2,298,126,460.84
  5. Step 5: Solve for x
    x = 2,298,126,460.84/55,277.07
  6. Step 6: Final answer
    x = 41,574.68

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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.