Home / 54,485.46-75,187.85-30,613.14

Finding the Fourth Proportional to 54,485.46, 75,187.85 and 30,613.14

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Solution

The fourth proportional to 54,485.46, 75,187.85 and 30,613.14 is: 42,244.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,485.46 : 75,187.85 = 30,613.14 : x
  2. Step 2: Convert to fraction form
    54,485.46/75,187.85 = 30,613.14/x
  3. Step 3: Cross multiply
    54,485.46x = 75,187.85 × 30,613.14
  4. Step 4: Simplify right side
    54,485.46x = 2,301,736,025.28
  5. Step 5: Solve for x
    x = 2,301,736,025.28/54,485.46
  6. Step 6: Final answer
    x = 42,244.96

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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.