Home / 55,437.21-76,503.42-30,286.71

Finding the Fourth Proportional to 55,437.21, 76,503.42 and 30,286.71

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Solution

The fourth proportional to 55,437.21, 76,503.42 and 30,286.71 is: 41,795.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.21 : 76,503.42 = 30,286.71 : x
  2. Step 2: Convert to fraction form
    55,437.21/76,503.42 = 30,286.71/x
  3. Step 3: Cross multiply
    55,437.21x = 76,503.42 × 30,286.71
  4. Step 4: Simplify right side
    55,437.21x = 2,317,036,895.55
  5. Step 5: Solve for x
    x = 2,317,036,895.55/55,437.21
  6. Step 6: Final answer
    x = 41,795.70

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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.