Home / 25,118.70-37,685.05-20,482.49

Finding the Fourth Proportional to 25,118.70, 37,685.05 and 20,482.49

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Solution

The fourth proportional to 25,118.70, 37,685.05 and 20,482.49 is: 30,729.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,118.70 : 37,685.05 = 20,482.49 : x
  2. Step 2: Convert to fraction form
    25,118.70/37,685.05 = 20,482.49/x
  3. Step 3: Cross multiply
    25,118.70x = 37,685.05 × 20,482.49
  4. Step 4: Simplify right side
    25,118.70x = 771,883,659.77
  5. Step 5: Solve for x
    x = 771,883,659.77/25,118.70
  6. Step 6: Final answer
    x = 30,729.44

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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.