Home / 54,752.31-75,559.28-30,874.32

Finding the Fourth Proportional to 54,752.31, 75,559.28 and 30,874.32

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Solution

The fourth proportional to 54,752.31, 75,559.28 and 30,874.32 is: 42,607.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,752.31 : 75,559.28 = 30,874.32 : x
  2. Step 2: Convert to fraction form
    54,752.31/75,559.28 = 30,874.32/x
  3. Step 3: Cross multiply
    54,752.31x = 75,559.28 × 30,874.32
  4. Step 4: Simplify right side
    54,752.31x = 2,332,841,235.32
  5. Step 5: Solve for x
    x = 2,332,841,235.32/54,752.31
  6. Step 6: Final answer
    x = 42,607.17

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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.