Home / 52,984.49-79,464.40-19,720.22

Finding the Fourth Proportional to 52,984.49, 79,464.40 and 19,720.22

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Solution

The fourth proportional to 52,984.49, 79,464.40 and 19,720.22 is: 29,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,984.49 : 79,464.40 = 19,720.22 : x
  2. Step 2: Convert to fraction form
    52,984.49/79,464.40 = 19,720.22/x
  3. Step 3: Cross multiply
    52,984.49x = 79,464.40 × 19,720.22
  4. Step 4: Simplify right side
    52,984.49x = 1,567,055,003.55
  5. Step 5: Solve for x
    x = 1,567,055,003.55/52,984.49
  6. Step 6: Final answer
    x = 29,575.73

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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.