Home / 55,940.55-77,197.62-30,446.20

Finding the Fourth Proportional to 55,940.55, 77,197.62 and 30,446.20

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Solution

The fourth proportional to 55,940.55, 77,197.62 and 30,446.20 is: 42,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,940.55 : 77,197.62 = 30,446.20 : x
  2. Step 2: Convert to fraction form
    55,940.55/77,197.62 = 30,446.20/x
  3. Step 3: Cross multiply
    55,940.55x = 77,197.62 × 30,446.20
  4. Step 4: Simplify right side
    55,940.55x = 2,350,374,178.04
  5. Step 5: Solve for x
    x = 2,350,374,178.04/55,940.55
  6. Step 6: Final answer
    x = 42,015.57

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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.