Home / 35,982.20-53,973.30-12,605.60

Finding the Fourth Proportional to 35,982.20, 53,973.30 and 12,605.60

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Solution

The fourth proportional to 35,982.20, 53,973.30 and 12,605.60 is: 18,908.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,982.20 : 53,973.30 = 12,605.60 : x
  2. Step 2: Convert to fraction form
    35,982.20/53,973.30 = 12,605.60/x
  3. Step 3: Cross multiply
    35,982.20x = 53,973.30 × 12,605.60
  4. Step 4: Simplify right side
    35,982.20x = 680,365,830.48
  5. Step 5: Solve for x
    x = 680,365,830.48/35,982.20
  6. Step 6: Final answer
    x = 18,908.40

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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.