Home / 54,433.64-75,113.28-30,555.92

Finding the Fourth Proportional to 54,433.64, 75,113.28 and 30,555.92

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Solution

The fourth proportional to 54,433.64, 75,113.28 and 30,555.92 is: 42,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.64 : 75,113.28 = 30,555.92 : x
  2. Step 2: Convert to fraction form
    54,433.64/75,113.28 = 30,555.92/x
  3. Step 3: Cross multiply
    54,433.64x = 75,113.28 × 30,555.92
  4. Step 4: Simplify right side
    54,433.64x = 2,295,155,374.62
  5. Step 5: Solve for x
    x = 2,295,155,374.62/54,433.64
  6. Step 6: Final answer
    x = 42,164.28

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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.