Home / 54,658.41-75,428.85-30,785.48

Finding the Fourth Proportional to 54,658.41, 75,428.85 and 30,785.48

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Solution

The fourth proportional to 54,658.41, 75,428.85 and 30,785.48 is: 42,484.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,658.41 : 75,428.85 = 30,785.48 : x
  2. Step 2: Convert to fraction form
    54,658.41/75,428.85 = 30,785.48/x
  3. Step 3: Cross multiply
    54,658.41x = 75,428.85 × 30,785.48
  4. Step 4: Simplify right side
    54,658.41x = 2,322,113,353.10
  5. Step 5: Solve for x
    x = 2,322,113,353.10/54,658.41
  6. Step 6: Final answer
    x = 42,484.10

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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.