Home / 54,695.32-75,472.73-30,490.34

Finding the Fourth Proportional to 54,695.32, 75,472.73 and 30,490.34

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Solution

The fourth proportional to 54,695.32, 75,472.73 and 30,490.34 is: 42,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,695.32 : 75,472.73 = 30,490.34 : x
  2. Step 2: Convert to fraction form
    54,695.32/75,472.73 = 30,490.34/x
  3. Step 3: Cross multiply
    54,695.32x = 75,472.73 × 30,490.34
  4. Step 4: Simplify right side
    54,695.32x = 2,301,189,207.49
  5. Step 5: Solve for x
    x = 2,301,189,207.49/54,695.32
  6. Step 6: Final answer
    x = 42,072.87

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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.