Home / 53,277.68-79,925.20-20,000.36

Finding the Fourth Proportional to 53,277.68, 79,925.20 and 20,000.36

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Solution

The fourth proportional to 53,277.68, 79,925.20 and 20,000.36 is: 30,003.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.68 : 79,925.20 = 20,000.36 : x
  2. Step 2: Convert to fraction form
    53,277.68/79,925.20 = 20,000.36/x
  3. Step 3: Cross multiply
    53,277.68x = 79,925.20 × 20,000.36
  4. Step 4: Simplify right side
    53,277.68x = 1,598,532,773.07
  5. Step 5: Solve for x
    x = 1,598,532,773.07/53,277.68
  6. Step 6: Final answer
    x = 30,003.80

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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.