Home / 37,770.44-52,120.65-21,637.80

Finding the Fourth Proportional to 37,770.44, 52,120.65 and 21,637.80

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Solution

The fourth proportional to 37,770.44, 52,120.65 and 21,637.80 is: 29,858.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,770.44 : 52,120.65 = 21,637.80 : x
  2. Step 2: Convert to fraction form
    37,770.44/52,120.65 = 21,637.80/x
  3. Step 3: Cross multiply
    37,770.44x = 52,120.65 × 21,637.80
  4. Step 4: Simplify right side
    37,770.44x = 1,127,776,200.57
  5. Step 5: Solve for x
    x = 1,127,776,200.57/37,770.44
  6. Step 6: Final answer
    x = 29,858.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.