Home / 43,892.28-65,838.30-20,535.16

Finding the Fourth Proportional to 43,892.28, 65,838.30 and 20,535.16

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Solution

The fourth proportional to 43,892.28, 65,838.30 and 20,535.16 is: 30,802.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,892.28 : 65,838.30 = 20,535.16 : x
  2. Step 2: Convert to fraction form
    43,892.28/65,838.30 = 20,535.16/x
  3. Step 3: Cross multiply
    43,892.28x = 65,838.30 × 20,535.16
  4. Step 4: Simplify right side
    43,892.28x = 1,352,000,024.63
  5. Step 5: Solve for x
    x = 1,352,000,024.63/43,892.28
  6. Step 6: Final answer
    x = 30,802.68

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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.