Home / 53,289.20-79,926.24-18,223.76

Finding the Fourth Proportional to 53,289.20, 79,926.24 and 18,223.76

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Solution

The fourth proportional to 53,289.20, 79,926.24 and 18,223.76 is: 27,333.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,289.20 : 79,926.24 = 18,223.76 : x
  2. Step 2: Convert to fraction form
    53,289.20/79,926.24 = 18,223.76/x
  3. Step 3: Cross multiply
    53,289.20x = 79,926.24 × 18,223.76
  4. Step 4: Simplify right side
    53,289.20x = 1,456,556,615.46
  5. Step 5: Solve for x
    x = 1,456,556,615.46/53,289.20
  6. Step 6: Final answer
    x = 27,333.05

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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.