Home / 54,606.90-75,330-31,931.04

Finding the Fourth Proportional to 54,606.90, 75,330 and 31,931.04

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Solution

The fourth proportional to 54,606.90, 75,330 and 31,931.04 is: 44,048.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,606.90 : 75,330 = 31,931.04 : x
  2. Step 2: Convert to fraction form
    54,606.90/75,330 = 31,931.04/x
  3. Step 3: Cross multiply
    54,606.90x = 75,330 × 31,931.04
  4. Step 4: Simplify right side
    54,606.90x = 2,405,365,243.20
  5. Step 5: Solve for x
    x = 2,405,365,243.20/54,606.90
  6. Step 6: Final answer
    x = 44,048.74

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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.