Home / 37,611.20-51,901.64-21,700.78

Finding the Fourth Proportional to 37,611.20, 51,901.64 and 21,700.78

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Solution

The fourth proportional to 37,611.20, 51,901.64 and 21,700.78 is: 29,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,611.20 : 51,901.64 = 21,700.78 : x
  2. Step 2: Convert to fraction form
    37,611.20/51,901.64 = 21,700.78/x
  3. Step 3: Cross multiply
    37,611.20x = 51,901.64 × 21,700.78
  4. Step 4: Simplify right side
    37,611.20x = 1,126,306,071.28
  5. Step 5: Solve for x
    x = 1,126,306,071.28/37,611.20
  6. Step 6: Final answer
    x = 29,946.03

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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.