Home / 35,814.32-53,721.48-13,622.58

Finding the Fourth Proportional to 35,814.32, 53,721.48 and 13,622.58

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Solution

The fourth proportional to 35,814.32, 53,721.48 and 13,622.58 is: 20,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,814.32 : 53,721.48 = 13,622.58 : x
  2. Step 2: Convert to fraction form
    35,814.32/53,721.48 = 13,622.58/x
  3. Step 3: Cross multiply
    35,814.32x = 53,721.48 × 13,622.58
  4. Step 4: Simplify right side
    35,814.32x = 731,825,159.02
  5. Step 5: Solve for x
    x = 731,825,159.02/35,814.32
  6. Step 6: Final answer
    x = 20,433.87

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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.