Home / 54,317.19-74,953.56-30,439.24

Finding the Fourth Proportional to 54,317.19, 74,953.56 and 30,439.24

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Solution

The fourth proportional to 54,317.19, 74,953.56 and 30,439.24 is: 42,003.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.19 : 74,953.56 = 30,439.24 : x
  2. Step 2: Convert to fraction form
    54,317.19/74,953.56 = 30,439.24/x
  3. Step 3: Cross multiply
    54,317.19x = 74,953.56 × 30,439.24
  4. Step 4: Simplify right side
    54,317.19x = 2,281,529,401.69
  5. Step 5: Solve for x
    x = 2,281,529,401.69/54,317.19
  6. Step 6: Final answer
    x = 42,003.82

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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.