Home / 54,438.32-75,124.32-30,564.44

Finding the Fourth Proportional to 54,438.32, 75,124.32 and 30,564.44

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Solution

The fourth proportional to 54,438.32, 75,124.32 and 30,564.44 is: 42,178.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.32 : 75,124.32 = 30,564.44 : x
  2. Step 2: Convert to fraction form
    54,438.32/75,124.32 = 30,564.44/x
  3. Step 3: Cross multiply
    54,438.32x = 75,124.32 × 30,564.44
  4. Step 4: Simplify right side
    54,438.32x = 2,296,132,771.18
  5. Step 5: Solve for x
    x = 2,296,132,771.18/54,438.32
  6. Step 6: Final answer
    x = 42,178.61

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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.