Home / 40,814.40-61,254.36-21,098.70

Finding the Fourth Proportional to 40,814.40, 61,254.36 and 21,098.70

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Solution

The fourth proportional to 40,814.40, 61,254.36 and 21,098.70 is: 31,664.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,814.40 : 61,254.36 = 21,098.70 : x
  2. Step 2: Convert to fraction form
    40,814.40/61,254.36 = 21,098.70/x
  3. Step 3: Cross multiply
    40,814.40x = 61,254.36 × 21,098.70
  4. Step 4: Simplify right side
    40,814.40x = 1,292,387,365.33
  5. Step 5: Solve for x
    x = 1,292,387,365.33/40,814.40
  6. Step 6: Final answer
    x = 31,664.99

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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.