Home / 54,615.30-75,369.66-30,737.37

Finding the Fourth Proportional to 54,615.30, 75,369.66 and 30,737.37

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Solution

The fourth proportional to 54,615.30, 75,369.66 and 30,737.37 is: 42,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,615.30 : 75,369.66 = 30,737.37 : x
  2. Step 2: Convert to fraction form
    54,615.30/75,369.66 = 30,737.37/x
  3. Step 3: Cross multiply
    54,615.30x = 75,369.66 × 30,737.37
  4. Step 4: Simplify right side
    54,615.30x = 2,316,665,293.57
  5. Step 5: Solve for x
    x = 2,316,665,293.57/54,615.30
  6. Step 6: Final answer
    x = 42,417.88

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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.