Home / 40,581.21-55,981.65-27,153.03

Finding the Fourth Proportional to 40,581.21, 55,981.65 and 27,153.03

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Solution

The fourth proportional to 40,581.21, 55,981.65 and 27,153.03 is: 37,457.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,581.21 : 55,981.65 = 27,153.03 : x
  2. Step 2: Convert to fraction form
    40,581.21/55,981.65 = 27,153.03/x
  3. Step 3: Cross multiply
    40,581.21x = 55,981.65 × 27,153.03
  4. Step 4: Simplify right side
    40,581.21x = 1,520,071,421.90
  5. Step 5: Solve for x
    x = 1,520,071,421.90/40,581.21
  6. Step 6: Final answer
    x = 37,457.52

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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.