Home / 56,157.84-84,208.59-18,704.75

Finding the Fourth Proportional to 56,157.84, 84,208.59 and 18,704.75

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Solution

The fourth proportional to 56,157.84, 84,208.59 and 18,704.75 is: 28,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,157.84 : 84,208.59 = 18,704.75 : x
  2. Step 2: Convert to fraction form
    56,157.84/84,208.59 = 18,704.75/x
  3. Step 3: Cross multiply
    56,157.84x = 84,208.59 × 18,704.75
  4. Step 4: Simplify right side
    56,157.84x = 1,575,100,202.76
  5. Step 5: Solve for x
    x = 1,575,100,202.76/56,157.84
  6. Step 6: Final answer
    x = 28,047.73

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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.