Home / 33,177.60-49,766.40-30,643.20

Finding the Fourth Proportional to 33,177.60, 49,766.40 and 30,643.20

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Solution

The fourth proportional to 33,177.60, 49,766.40 and 30,643.20 is: 45,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.60 : 49,766.40 = 30,643.20 : x
  2. Step 2: Convert to fraction form
    33,177.60/49,766.40 = 30,643.20/x
  3. Step 3: Cross multiply
    33,177.60x = 49,766.40 × 30,643.20
  4. Step 4: Simplify right side
    33,177.60x = 1,525,001,748.48
  5. Step 5: Solve for x
    x = 1,525,001,748.48/33,177.60
  6. Step 6: Final answer
    x = 45,964.80

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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.