Home / 54,666.90-75,441.78-30,792.15

Finding the Fourth Proportional to 54,666.90, 75,441.78 and 30,792.15

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Solution

The fourth proportional to 54,666.90, 75,441.78 and 30,792.15 is: 42,493.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,666.90 : 75,441.78 = 30,792.15 : x
  2. Step 2: Convert to fraction form
    54,666.90/75,441.78 = 30,792.15/x
  3. Step 3: Cross multiply
    54,666.90x = 75,441.78 × 30,792.15
  4. Step 4: Simplify right side
    54,666.90x = 2,323,014,606.03
  5. Step 5: Solve for x
    x = 2,323,014,606.03/54,666.90
  6. Step 6: Final answer
    x = 42,493.99

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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.