Home / 40,970.39-61,435.01-19,897.22

Finding the Fourth Proportional to 40,970.39, 61,435.01 and 19,897.22

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Solution

The fourth proportional to 40,970.39, 61,435.01 and 19,897.22 is: 29,835.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,970.39 : 61,435.01 = 19,897.22 : x
  2. Step 2: Convert to fraction form
    40,970.39/61,435.01 = 19,897.22/x
  3. Step 3: Cross multiply
    40,970.39x = 61,435.01 × 19,897.22
  4. Step 4: Simplify right side
    40,970.39x = 1,222,385,503.01
  5. Step 5: Solve for x
    x = 1,222,385,503.01/40,970.39
  6. Step 6: Final answer
    x = 29,835.83

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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.