Home / 37,780.89-56,659.08-12,474.71

Finding the Fourth Proportional to 37,780.89, 56,659.08 and 12,474.71

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Solution

The fourth proportional to 37,780.89, 56,659.08 and 12,474.71 is: 18,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,780.89 : 56,659.08 = 12,474.71 : x
  2. Step 2: Convert to fraction form
    37,780.89/56,659.08 = 12,474.71/x
  3. Step 3: Cross multiply
    37,780.89x = 56,659.08 × 12,474.71
  4. Step 4: Simplify right side
    37,780.89x = 706,805,591.87
  5. Step 5: Solve for x
    x = 706,805,591.87/37,780.89
  6. Step 6: Final answer
    x = 18,708.02

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1.5x scale

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.