Home / 40,484.94-55,884.64-30,442.56

Finding the Fourth Proportional to 40,484.94, 55,884.64 and 30,442.56

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Solution

The fourth proportional to 40,484.94, 55,884.64 and 30,442.56 is: 42,022.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,484.94 : 55,884.64 = 30,442.56 : x
  2. Step 2: Convert to fraction form
    40,484.94/55,884.64 = 30,442.56/x
  3. Step 3: Cross multiply
    40,484.94x = 55,884.64 × 30,442.56
  4. Step 4: Simplify right side
    40,484.94x = 1,701,271,506.28
  5. Step 5: Solve for x
    x = 1,701,271,506.28/40,484.94
  6. Step 6: Final answer
    x = 42,022.33

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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.