Home / 37,670.56-51,985.68-20,903.84

Finding the Fourth Proportional to 37,670.56, 51,985.68 and 20,903.84

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Solution

The fourth proportional to 37,670.56, 51,985.68 and 20,903.84 is: 28,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,670.56 : 51,985.68 = 20,903.84 : x
  2. Step 2: Convert to fraction form
    37,670.56/51,985.68 = 20,903.84/x
  3. Step 3: Cross multiply
    37,670.56x = 51,985.68 × 20,903.84
  4. Step 4: Simplify right side
    37,670.56x = 1,086,700,337.01
  5. Step 5: Solve for x
    x = 1,086,700,337.01/37,670.56
  6. Step 6: Final answer
    x = 28,847.47

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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.