Home / 53,308.55-79,990.50-21,741.77

Finding the Fourth Proportional to 53,308.55, 79,990.50 and 21,741.77

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Solution

The fourth proportional to 53,308.55, 79,990.50 and 21,741.77 is: 32,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,308.55 : 79,990.50 = 21,741.77 : x
  2. Step 2: Convert to fraction form
    53,308.55/79,990.50 = 21,741.77/x
  3. Step 3: Cross multiply
    53,308.55x = 79,990.50 × 21,741.77
  4. Step 4: Simplify right side
    53,308.55x = 1,739,135,334.69
  5. Step 5: Solve for x
    x = 1,739,135,334.69/53,308.55
  6. Step 6: Final answer
    x = 32,623.95

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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.