Home / 54,605.32-75,340.26-30,730.60

Finding the Fourth Proportional to 54,605.32, 75,340.26 and 30,730.60

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Solution

The fourth proportional to 54,605.32, 75,340.26 and 30,730.60 is: 42,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,605.32 : 75,340.26 = 30,730.60 : x
  2. Step 2: Convert to fraction form
    54,605.32/75,340.26 = 30,730.60/x
  3. Step 3: Cross multiply
    54,605.32x = 75,340.26 × 30,730.60
  4. Step 4: Simplify right side
    54,605.32x = 2,315,251,393.96
  5. Step 5: Solve for x
    x = 2,315,251,393.96/54,605.32
  6. Step 6: Final answer
    x = 42,399.74

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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.