Home / 45,035.13-67,562.34-13,447.68

Finding the Fourth Proportional to 45,035.13, 67,562.34 and 13,447.68

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Solution

The fourth proportional to 45,035.13, 67,562.34 and 13,447.68 is: 20,174.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,035.13 : 67,562.34 = 13,447.68 : x
  2. Step 2: Convert to fraction form
    45,035.13/67,562.34 = 13,447.68/x
  3. Step 3: Cross multiply
    45,035.13x = 67,562.34 × 13,447.68
  4. Step 4: Simplify right side
    45,035.13x = 908,556,728.07
  5. Step 5: Solve for x
    x = 908,556,728.07/45,035.13
  6. Step 6: Final answer
    x = 20,174.40

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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.