Home / 43,059.76-64,588.94-20,875.04

Finding the Fourth Proportional to 43,059.76, 64,588.94 and 20,875.04

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Solution

The fourth proportional to 43,059.76, 64,588.94 and 20,875.04 is: 31,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,059.76 : 64,588.94 = 20,875.04 : x
  2. Step 2: Convert to fraction form
    43,059.76/64,588.94 = 20,875.04/x
  3. Step 3: Cross multiply
    43,059.76x = 64,588.94 × 20,875.04
  4. Step 4: Simplify right side
    43,059.76x = 1,348,296,706.06
  5. Step 5: Solve for x
    x = 1,348,296,706.06/43,059.76
  6. Step 6: Final answer
    x = 31,312.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.