Home / 59,918.80-89,897.40-40,219.60

Finding the Fourth Proportional to 59,918.80, 89,897.40 and 40,219.60

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Solution

The fourth proportional to 59,918.80, 89,897.40 and 40,219.60 is: 60,342.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,918.80 : 89,897.40 = 40,219.60 : x
  2. Step 2: Convert to fraction form
    59,918.80/89,897.40 = 40,219.60/x
  3. Step 3: Cross multiply
    59,918.80x = 89,897.40 × 40,219.60
  4. Step 4: Simplify right side
    59,918.80x = 3,615,637,469.04
  5. Step 5: Solve for x
    x = 3,615,637,469.04/59,918.80
  6. Step 6: Final answer
    x = 60,342.29

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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.