Home / 54,186.56-74,783.08-31,217.16

Finding the Fourth Proportional to 54,186.56, 74,783.08 and 31,217.16

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Solution

The fourth proportional to 54,186.56, 74,783.08 and 31,217.16 is: 43,082.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,186.56 : 74,783.08 = 31,217.16 : x
  2. Step 2: Convert to fraction form
    54,186.56/74,783.08 = 31,217.16/x
  3. Step 3: Cross multiply
    54,186.56x = 74,783.08 × 31,217.16
  4. Step 4: Simplify right side
    54,186.56x = 2,334,515,373.65
  5. Step 5: Solve for x
    x = 2,334,515,373.65/54,186.56
  6. Step 6: Final answer
    x = 43,082.92

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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.