Home / 54,585.21-75,327.90-30,712.29

Finding the Fourth Proportional to 54,585.21, 75,327.90 and 30,712.29

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Solution

The fourth proportional to 54,585.21, 75,327.90 and 30,712.29 is: 42,383.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,585.21 : 75,327.90 = 30,712.29 : x
  2. Step 2: Convert to fraction form
    54,585.21/75,327.90 = 30,712.29/x
  3. Step 3: Cross multiply
    54,585.21x = 75,327.90 × 30,712.29
  4. Step 4: Simplify right side
    54,585.21x = 2,313,492,309.89
  5. Step 5: Solve for x
    x = 2,313,492,309.89/54,585.21
  6. Step 6: Final answer
    x = 42,383.13

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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.