Home / 35,742.90-49,328.13-19,828.98

Finding the Fourth Proportional to 35,742.90, 49,328.13 and 19,828.98

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Solution

The fourth proportional to 35,742.90, 49,328.13 and 19,828.98 is: 27,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,742.90 : 49,328.13 = 19,828.98 : x
  2. Step 2: Convert to fraction form
    35,742.90/49,328.13 = 19,828.98/x
  3. Step 3: Cross multiply
    35,742.90x = 49,328.13 × 19,828.98
  4. Step 4: Simplify right side
    35,742.90x = 978,126,503.21
  5. Step 5: Solve for x
    x = 978,126,503.21/35,742.90
  6. Step 6: Final answer
    x = 27,365.62

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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.