Home / 55,941.36-77,199.12-30,447.60

Finding the Fourth Proportional to 55,941.36, 77,199.12 and 30,447.60

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Solution

The fourth proportional to 55,941.36, 77,199.12 and 30,447.60 is: 42,017.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,941.36 : 77,199.12 = 30,447.60 : x
  2. Step 2: Convert to fraction form
    55,941.36/77,199.12 = 30,447.60/x
  3. Step 3: Cross multiply
    55,941.36x = 77,199.12 × 30,447.60
  4. Step 4: Simplify right side
    55,941.36x = 2,350,527,926.11
  5. Step 5: Solve for x
    x = 2,350,527,926.11/55,941.36
  6. Step 6: Final answer
    x = 42,017.71

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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.