Home / 35,742.40-49,327.44-19,828.48

Finding the Fourth Proportional to 35,742.40, 49,327.44 and 19,828.48

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Solution

The fourth proportional to 35,742.40, 49,327.44 and 19,828.48 is: 27,364.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.40 : 49,327.44 = 19,828.48 : x
  2. Step 2: Convert to fraction form
    35,742.40/49,327.44 = 19,828.48/x
  3. Step 3: Cross multiply
    35,742.40x = 49,327.44 × 19,828.48
  4. Step 4: Simplify right side
    35,742.40x = 978,088,157.49
  5. Step 5: Solve for x
    x = 978,088,157.49/35,742.40
  6. Step 6: Final answer
    x = 27,364.93

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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.