Home / 39,091.32-58,202.01-38,539.20

Finding the Fourth Proportional to 39,091.32, 58,202.01 and 38,539.20

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Solution

The fourth proportional to 39,091.32, 58,202.01 and 38,539.20 is: 57,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,091.32 : 58,202.01 = 38,539.20 : x
  2. Step 2: Convert to fraction form
    39,091.32/58,202.01 = 38,539.20/x
  3. Step 3: Cross multiply
    39,091.32x = 58,202.01 × 38,539.20
  4. Step 4: Simplify right side
    39,091.32x = 2,243,058,903.79
  5. Step 5: Solve for x
    x = 2,243,058,903.79/39,091.32
  6. Step 6: Final answer
    x = 57,379.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.