Home / 54,082.40-74,632.92-30,209.40

Finding the Fourth Proportional to 54,082.40, 74,632.92 and 30,209.40

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Solution

The fourth proportional to 54,082.40, 74,632.92 and 30,209.40 is: 41,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,082.40 : 74,632.92 = 30,209.40 : x
  2. Step 2: Convert to fraction form
    54,082.40/74,632.92 = 30,209.40/x
  3. Step 3: Cross multiply
    54,082.40x = 74,632.92 × 30,209.40
  4. Step 4: Simplify right side
    54,082.40x = 2,254,615,733.45
  5. Step 5: Solve for x
    x = 2,254,615,733.45/54,082.40
  6. Step 6: Final answer
    x = 41,688.53

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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.